Merge remote-tracking branch 'origin/master'

# Conflicts:
#	app/build.gradle

app/build.gradle

@@ -16,7 +16,10 @@ android {
                 install "pillow"
                 install "opencv-contrib-python-headless"
                 install "fuzzywuzzy"
-                install "nltk"
+                install "pandas"
+                install "sklearn"
+
+
             }
         }
 
@@ -80,6 +83,7 @@ dependencies {
     implementation files('libs\\mail.jar')
     implementation files('libs\\additional.jar')
     implementation files('libs\\YouTubeAndroidPlayerApi.jar')
+    implementation files('libs\\picasso-2.5.2.jar')
     testImplementation 'junit:junit:4.+'
     androidTestImplementation 'androidx.test.ext:junit:1.1.1'
     androidTestImplementation 'androidx.test.espresso:espresso-core:3.2.0'
@@ -92,8 +96,14 @@ dependencies {
     implementation 'com.opencsv:opencsv:4.6'
     implementation 'com.alimuzaffar.lib:pinentryedittext:1.3.1'
     implementation 'androidx.multidex:multidex:2.0.1'
+    implementation "androidx.cardview:cardview:1.0.0"
+    implementation group: 'commons-io', name: 'commons-io', version: '2.7'
+    implementation group: 'org.apache.commons', name: 'commons-text', version: '1.8'
+
 
 
+    androidTestImplementation 'com.android.support.test:rules:1.0.2'
+    androidTestImplementation 'com.android.support.test:runner:1.0.2'
 
 
 }
\ No newline at end of file

app/src/androidTest/java/com/elearning/probabilityandstatisticsanalyserandeducator/WelcomeTest.java

+package com.elearning.probabilityandstatisticsanalyserandeducator;
+
+import android.app.Activity;
+import android.app.Instrumentation;
+import android.view.View;
+
+import androidx.test.rule.ActivityTestRule;
+
+import org.junit.After;
+import org.junit.Before;
+import org.junit.Rule;
+import org.junit.Test;
+
+import static androidx.test.espresso.Espresso.onView;
+import static androidx.test.espresso.action.ViewActions.click;
+import static androidx.test.espresso.matcher.ViewMatchers.withId;
+import static androidx.test.platform.app.InstrumentationRegistry.getInstrumentation;
+import static org.junit.Assert.*;
+
+public class WelcomeTest {
+
+    @Rule
+    public ActivityTestRule<Welcome> mActivityTestRule =
+            new ActivityTestRule<Welcome>(Welcome.class);
+
+    Instrumentation.ActivityMonitor monitor = getInstrumentation().addMonitor(UserDashBoard.class.getName(),null,false);
+
+    private Welcome welcome = null;
+
+    @Before
+    public void setUp() throws Exception {
+        welcome = mActivityTestRule.getActivity();
+    }
+
+    @Test
+    public void testLaunch(){
+
+        View view = welcome.findViewById(R.id.btn_login);
+
+        assertNotNull(view);
+
+        onView(withId(R.id.btn_login)).perform(click());
+
+        Activity testedFunction =  getInstrumentation().waitForMonitorWithTimeout(monitor,35000);
+
+        assertNotNull(testedFunction);
+
+        testedFunction.finish();
+    }
+
+    @After
+    public void tearDown() throws Exception {
+        welcome = null;
+    }
+}
\ No newline at end of file

app/src/androidTest/java/com/elearning/probabilityandstatisticsanalyserandeducator/adaptiveLearning/StartingScreenTest.java

+package com.elearning.probabilityandstatisticsanalyserandeducator.adaptiveLearning;
+
+import android.app.Activity;
+import android.app.Instrumentation;
+import android.view.View;
+
+import androidx.test.rule.ActivityTestRule;
+
+import com.elearning.probabilityandstatisticsanalyserandeducator.R;
+
+import org.junit.After;
+import org.junit.Before;
+import org.junit.Rule;
+import org.junit.Test;
+
+import static androidx.test.espresso.Espresso.onView;
+import static androidx.test.espresso.action.ViewActions.click;
+import static androidx.test.espresso.matcher.ViewMatchers.withId;
+import static androidx.test.platform.app.InstrumentationRegistry.getInstrumentation;
+import static org.junit.Assert.*;
+
+public class StartingScreenTest {
+
+    @Rule
+    public ActivityTestRule<StartingScreen> mActivityTestRule =
+            new ActivityTestRule<StartingScreen>(StartingScreen.class);
+
+    Instrumentation.ActivityMonitor monitor = getInstrumentation().addMonitor(QuizActivity.class.getName(),null,false);
+
+    private StartingScreen startingScreen = null;
+
+
+    @Before
+    public void setUp() throws Exception {
+        startingScreen = mActivityTestRule.getActivity();
+    }
+
+    @Test
+    public void testLaunch(){
+
+        View view = startingScreen.findViewById(R.id.button_start_quiz);
+
+        assertNotNull(view);
+
+        onView(withId(R.id.button_start_quiz)).perform(click());
+
+        Activity testedFunction =  getInstrumentation().waitForMonitorWithTimeout(monitor,45000);
+
+        assertNotNull(testedFunction);
+
+        testedFunction.finish();
+
+    }
+
+    @After
+    public void tearDown() throws Exception {
+        startingScreen = null;
+    }
+}
\ No newline at end of file

app/src/main/AndroidManifest.xml

@@ -10,6 +10,8 @@
     <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" />
     <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
     <uses-permission android:name="android.permission.RECORD_AUDIO" />
+    <uses-permission android:name="android.permission.ACCESS_WIFI_STATE" />
+    <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
     <uses-permission
         android:name="android.permission.CAMERA"
         android:required="true"
@@ -23,7 +25,8 @@
         android:roundIcon="@mipmap/app_logo"
         android:supportsRtl="true"
         android:theme="@style/Theme.ProbabilityAndStatisticsAnalyserAndEducator">
-        <activity android:name=".adaptiveLearning.VideoController"></activity>
+        <activity android:name=".adaptiveLearning.VideoHandler"></activity>
+        <activity android:name=".adaptiveLearning.VideoController" />
         <activity android:name=".adaptiveLearning.CourseHandler" />
         <activity android:name=".inputMethod.StandardDeviationInputMethod" />
         <activity android:name=".calculationfunction.StandaradDeviationCalculation" />

app/src/main/java/com/elearning/probabilityandstatisticsanalyserandeducator/adaptiveLearning/CourseHandler.java

@@ -76,7 +76,6 @@ public class CourseHandler extends AppCompatActivity {
             finish();
         }
 
-
     }
 
 }
\ No newline at end of file

app/src/main/java/com/elearning/probabilityandstatisticsanalyserandeducator/adaptiveLearning/DashBoardHome.java

@@ -75,8 +75,6 @@ public class DashBoardHome extends Fragment {
         //we convert userID int by using parseInt and asssin it into userID
         userID = Integer.parseInt(userDetails.get(SessionManager.KEY_UID));
 
-
-
         descriptive_ststis.setOnClickListener(new View.OnClickListener() {
             @Override
             public void onClick(View view) {
@@ -168,6 +166,7 @@ public class DashBoardHome extends Fragment {
             @Override
             public void onClick(View view) {
 
+                //Create User Progress Tracker
                 PROGRESS_LEVEL = dbHelper.UserProgressChecker(userID,SELECTED_QUESTION_TYPE);
                 if (PROGRESS_LEVEL == 0){
                     Intent intent = new Intent(getContext(),StartingScreen.class);

app/src/main/java/com/elearning/probabilityandstatisticsanalyserandeducator/adaptiveLearning/DataSetModels.java

+package com.elearning.probabilityandstatisticsanalyserandeducator.adaptiveLearning;
+
+import java.sql.Date;
+import java.sql.Time;
+
+public class DataSetModels {
+
+    int exam_userID;
+    String firstName;
+    String exam_name;
+    int exam_marks;
+    String exam_category;
+    Time exam_start_time;
+    Time exam_finished_time;
+    String sex;
+    String profession;
+    String anyExperience;
+    String resonToChoose;
+
+    public DataSetModels() {
+    }
+
+    public DataSetModels(int exam_userID, String firstName, String exam_name, int exam_marks, String exam_category, Time exam_start_time, Time exam_finished_time, String sex, String profession, String anyExperience, String resonToChoose) {
+        this.exam_userID = exam_userID;
+        this.firstName = firstName;
+        this.exam_name = exam_name;
+        this.exam_marks = exam_marks;
+        this.exam_category = exam_category;
+        this.exam_start_time = exam_start_time;
+        this.exam_finished_time = exam_finished_time;
+        this.sex = sex;
+        this.profession = profession;
+        this.anyExperience = anyExperience;
+        this.resonToChoose = resonToChoose;
+    }
+
+    public void setDataSetModels(int exam_userID, String firstName, String exam_name, int exam_marks, String exam_category, Time exam_start_time, Time exam_finished_time, String sex, String profession, String anyExperience, String resonToChoose) {
+        this.exam_userID = exam_userID;
+        this.firstName = firstName;
+        this.exam_name = exam_name;
+        this.exam_marks = exam_marks;
+        this.exam_category = exam_category;
+        this.exam_start_time = exam_start_time;
+        this.exam_finished_time = exam_finished_time;
+        this.sex = sex;
+        this.profession = profession;
+        this.anyExperience = anyExperience;
+        this.resonToChoose = resonToChoose;
+    }
+
+
+    public int getExam_userID() {
+        return exam_userID;
+    }
+
+    public void setExam_userID(int exam_userID) {
+        this.exam_userID = exam_userID;
+    }
+
+    public String getFirstName() {
+        return firstName;
+    }
+
+    public void setFirstName(String firstName) {
+        this.firstName = firstName;
+    }
+
+    public String getExam_name() {
+        return exam_name;
+    }
+
+    public void setExam_name(String exam_name) {
+        this.exam_name = exam_name;
+    }
+
+    public int getExam_marks() {
+        return exam_marks;
+    }
+
+    public void setExam_marks(int exam_marks) {
+        this.exam_marks = exam_marks;
+    }
+
+    public String getExam_category() {
+        return exam_category;
+    }
+
+    public void setExam_category(String exam_category) {
+        this.exam_category = exam_category;
+    }
+
+    public Time getExam_start_time() {
+        return exam_start_time;
+    }
+
+    public void setExam_start_time(Time exam_start_time) {
+        this.exam_start_time = exam_start_time;
+    }
+
+    public Time getExam_finished_time() {
+        return exam_finished_time;
+    }
+
+    public void setExam_finished_time(Time exam_finished_time) {
+        this.exam_finished_time = exam_finished_time;
+    }
+
+    public String getSex() {
+        return sex;
+    }
+
+    public void setSex(String sex) {
+        this.sex = sex;
+    }
+
+    public String getProfession() {
+        return profession;
+    }
+
+    public void setProfession(String profession) {
+        this.profession = profession;
+    }
+
+    public String getAnyExperience() {
+        return anyExperience;
+    }
+
+    public void setAnyExperience(String anyExperience) {
+        this.anyExperience = anyExperience;
+    }
+
+    public String getResonToChoose() {
+        return resonToChoose;
+    }
+
+    public void setResonToChoose(String resonToChoose) {
+        this.resonToChoose = resonToChoose;
+    }
+
+    @Override
+    public String toString() {
+        return "DataSetModels{" +
+                "exam_userID=" + exam_userID +
+                ", firstName='" + firstName + '\'' +
+                ", exam_name='" + exam_name + '\'' +
+                ", exam_marks=" + exam_marks +
+                ", exam_category='" + exam_category + '\'' +
+                ", exam_start_time='" + exam_start_time + '\'' +
+                ", exam_finished_time='" + exam_finished_time + '\'' +
+                ", sex='" + sex + '\'' +
+                ", profession='" + profession + '\'' +
+                ", anyExperience='" + anyExperience + '\'' +
+                ", resonToChoose='" + resonToChoose + '\'' +
+                '}';
+    }
+}

app/src/main/java/com/elearning/probabilityandstatisticsanalyserandeducator/adaptiveLearning/DbHelper.java

 package com.elearning.probabilityandstatisticsanalyserandeducator.adaptiveLearning;
 
+import androidx.recyclerview.widget.RecyclerView;
+
 import com.elearning.probabilityandstatisticsanalyserandeducator.DBConnection;
 
+import java.net.SocketTimeoutException;
 import java.sql.Connection;
 import java.sql.Date;
 import java.sql.ResultSet;
+import java.sql.SQLOutput;
 import java.sql.Statement;
 import java.sql.Time;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.List;
 
 public class DbHelper {
 
@@ -97,4 +104,63 @@ public class DbHelper {
         }
         return progressLevel;
     }
+
+    public String[] RecommendationDataFeader(){
+
+        DataSetModels dataSetModels = new DataSetModels();
+        DataSetModels[] dsModelsArray;
+        dsModelsArray = new DataSetModels[100];
+
+        String[] checker = new String[250];
+
+        int counter = 0;
+
+        List list = new ArrayList<>();
+
+        try {
+            //Getting DB connection in to con variable
+            con = dbConnection.getConnection();
+            //if DB connection false show error message
+            if (con == null){
+                System.out.println("Connection Error");
+            }else {
+                //When DB connection works
+                //Execute SELECT query from DB
+                String query = "SELECT dbo.User_exam_log.exam_userID, dbo.User_Table.firstName, dbo.User_exam_log.exam_name, dbo.User_exam_log.exam_marks, dbo.User_exam_log.exam_category, dbo.User_exam_log.exam_start_time, dbo.User_exam_log.exam_finished_time, dbo.User_Table.sex, dbo.User_Table.profession, dbo.User_Table.anyExperience, dbo.User_Table.resonToChoose FROM dbo.User_exam_log INNER JOIN dbo.User_Table ON dbo.User_exam_log.exam_userID = dbo.User_Table.userID";
+                Statement st = con.createStatement();
+                ResultSet rst = st.executeQuery(query);
+
+                while(rst.next()){
+
+                    //isInitialExamFinished = rst.getInt("is_initial_finished");
+
+                   /*  dsModelsArray[counter] = new DataSetModels(rst.getInt("exam_userID"),rst.getString("firstName"),rst.getString("exam_name"),
+                            rst.getInt("exam_marks"),rst.getString("exam_category"),rst.getTime("exam_start_time"),rst.getTime("exam_finished_time"),
+                            rst.getString("sex"),rst.getString("profession"),rst.getString("anyExperience"),rst.getString("resonToChoose"));*/
+
+                    dsModelsArray[counter] = new DataSetModels(rst.getInt("exam_userID"),rst.getString("firstName"),rst.getString("exam_name"),
+                            rst.getInt("exam_marks"),rst.getString("exam_category"),rst.getTime("exam_start_time"),rst.getTime("exam_finished_time"),
+                            rst.getString("sex"),rst.getString("profession"),rst.getString("anyExperience"),rst.getString("resonToChoose"));
+
+                    String readLine = String.valueOf(rst.getInt("exam_userID")) +"\t" + rst.getString("firstName") +"\t" + rst.getString("exam_name") +"\t" + rst.getInt("exam_marks") +"\t" +
+                            rst.getString("exam_category") +"\t" + rst.getTime("exam_start_time") +"\t" + rst.getTime("exam_finished_time") +"\t" + rst.getString("sex") +"\t" +
+                            rst.getString("profession") +"\t" + rst.getString("anyExperience") +"\t" + rst.getString("resonToChoose") +"\t" + "_" ;
+                   checker[counter] = readLine;
+
+                   // System.out.println("readLine :" +readLine);
+
+                    counter ++;
+
+
+                }
+                //System.out.println("Array :" +Arrays.toString(checker));
+            }
+
+        }catch (Exception e){
+            e.printStackTrace();
+        }
+        return checker;
+    }
+
+
 }

app/src/main/java/com/elearning/probabilityandstatisticsanalyserandeducator/adaptiveLearning/QuizActivity.java

@@ -53,8 +53,8 @@ public class QuizActivity extends AppCompatActivity {
     private static final String KEY_MILLIS_LEFT = "keyMillisLeft";
     private static final String KEY_ANSWERED ="keyAnswered";
     private static final String KEY_QUESTION_LIST = "KeyQuestionList";
-    private static final String KEY_EXAM_CATEGORY = "InitialExam";
-    private static final String KEY_EXAM_NAME = "Initial Examination";
+    private static String KEY_EXAM_CATEGORY = "InitialExam";
+    private static String KEY_EXAM_NAME = "Initial Examination";
     private static final long COUNTDOWN_IN_MILLIS = 30000;
 
     // variable declaration for text view
@@ -107,7 +107,31 @@ public class QuizActivity extends AppCompatActivity {
 
 
         userID = Integer.parseInt(userDetails.get(SessionManager.KEY_UID));
-        System.out.println("user name in ques "+userID);
+
+        //setting the question name and exam category
+        if (SELECT_QUESTION_TYPE == 0){
+            KEY_EXAM_NAME = "Initial Exam";
+            KEY_EXAM_CATEGORY = "General Maths Test";
+        }else if (SELECT_QUESTION_TYPE == 1){
+            KEY_EXAM_NAME = "Descriptive Statistics Exam";
+            KEY_EXAM_CATEGORY = "Descriptive Statistics";
+        }else if (SELECT_QUESTION_TYPE == 2){
+            KEY_EXAM_NAME = "Standard Deviation Exam";
+            KEY_EXAM_CATEGORY = "Standard Deviation";
+        }else if (SELECT_QUESTION_TYPE == 3){
+            KEY_EXAM_NAME = "Probability Exam";
+            KEY_EXAM_CATEGORY = "Probability";
+        }else if (SELECT_QUESTION_TYPE == 4){
+            KEY_EXAM_NAME = "Probability  Distribution Exam";
+            KEY_EXAM_CATEGORY = "Probability  Distribution";
+        }else if (SELECT_QUESTION_TYPE == 5){
+            KEY_EXAM_NAME = "Z score Exam";
+            KEY_EXAM_CATEGORY = "Z score";
+        }else {
+            KEY_EXAM_NAME = "Invalid Input";
+            KEY_EXAM_CATEGORY = "Invalid Input";
+        }
+
 
         // assigning textView ID
         textViewQuestion = findViewById(R.id.text_view_question);
@@ -194,9 +218,9 @@ public class QuizActivity extends AppCompatActivity {
             }
         });
 
-
     }
 
+
    //Display next question
     private void showNextQuestion(){
         rb_QuizQ1.setTextColor(textColourDefaultRb);
@@ -238,8 +262,6 @@ public class QuizActivity extends AppCompatActivity {
             }
 
 
-
-
             //get current question marks
             allocatedMark = currentQuestion.getAllocatedMarks();
 
@@ -250,7 +272,6 @@ public class QuizActivity extends AppCompatActivity {
             rb_QuizQ4.setText(currentQuestion.getOption4());
 
 
-
             questionCounter++;
             // show next question to user
             textViewQuestionCount.setText("Question: "+ questionCounter+ "/" + questionCountTotal);
@@ -286,6 +307,7 @@ public class QuizActivity extends AppCompatActivity {
         }.start();
     }
 
+
     private void updateCountDownText(){
         int minutes = (int) (timeLeftMillis / 1000) / 60;
         int seconds = (int) (timeLeftMillis / 1000) % 60;
@@ -315,6 +337,7 @@ public class QuizActivity extends AppCompatActivity {
             e.printStackTrace();
         }
 
+
          if (answerNr.equals(currentQuestion.getCorrectAns())){
         //if the answer is correct isAnswerCorrect will be true
              isAnswerCorrect = true;
@@ -368,6 +391,7 @@ public class QuizActivity extends AppCompatActivity {
         }
     }
 
+
 //before we finished our quiz we send our score in to starting screen
     private void finishQuiz(){
 

app/src/main/java/com/elearning/probabilityandstatisticsanalyserandeducator/adaptiveLearning/StartingScreen.java

@@ -36,7 +36,6 @@ public class StartingScreen extends AppCompatActivity {
     DbHelper dbHelper;
 
 
-
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
@@ -78,7 +77,6 @@ public class StartingScreen extends AppCompatActivity {
         button_back_quiz.setVisibility(View.INVISIBLE);
 
 
-
         button_back_quiz.setOnClickListener(new View.OnClickListener() {
             @Override
             public void onClick(View view) {
@@ -97,8 +95,6 @@ public class StartingScreen extends AppCompatActivity {
                }
             }
         });
-
-
     }
             private void Start() {
                 Intent intent = new Intent(StartingScreen.this, QuizActivity.class);
@@ -123,10 +119,7 @@ public class StartingScreen extends AppCompatActivity {
                         if (isInitialExamFinished == 1){
                             button_back_quiz.setVisibility(View.VISIBLE);
                         }
-
                     }
-
-
                 }
             }
 
@@ -164,8 +157,6 @@ public class StartingScreen extends AppCompatActivity {
             startActivity(intent);
             finish();
         }
-
-
     }
 
     public void LoadNextScreen(){

app/src/main/java/com/elearning/probabilityandstatisticsanalyserandeducator/adaptiveLearning/SupportRecommendations.java

+package com.elearning.probabilityandstatisticsanalyserandeducator.adaptiveLearning;
+
+import com.elearning.probabilityandstatisticsanalyserandeducator.recycleViewClass.StaticRvAdapter;
+
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.List;
+
+public class SupportRecommendations {
+
+    public List recommendedList;
+    public List nonDublicateList;
+    int counter = 0;
+
+    public List<String> FilterRecommendations(String str, List<String> recommended){
+
+        recommendedList = new ArrayList();
+        nonDublicateList = new ArrayList();
+
+        //traverse though the recommended Array
+        for(Object e: recommended){
+            if(!nonDublicateList.contains(e)){
+                nonDublicateList.add(e);
+            }
+        }
+
+        return nonDublicateList;
+    }
+
+}
+
+

app/src/main/java/com/elearning/probabilityandstatisticsanalyserandeducator/adaptiveLearning/VideoController.java

@@ -2,31 +2,73 @@ package com.elearning.probabilityandstatisticsanalyserandeducator.adaptiveLearni
 
 import androidx.appcompat.app.AppCompatActivity;
 
+import android.content.Intent;
 import android.os.Bundle;
 import android.view.View;
 import android.widget.Button;
+import android.widget.TextView;
 
+import com.chaquo.python.PyObject;
+import com.chaquo.python.Python;
+import com.chaquo.python.android.AndroidPlatform;
 import com.elearning.probabilityandstatisticsanalyserandeducator.R;
 import com.google.android.youtube.player.YouTubeBaseActivity;
 import com.google.android.youtube.player.YouTubeInitializationResult;
 import com.google.android.youtube.player.YouTubePlayer;
 import com.google.android.youtube.player.YouTubePlayerView;
 
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.List;
+
 import javax.mail.Message;
 
 public class VideoController extends YouTubeBaseActivity {
-    Button btn_play;
+    Button btn_play, btn_Submit;
     YouTubePlayerView youTubePlayerView;
     YouTubePlayer.OnInitializedListener onInitializedListener;
+    TextView textView;
+    DbHelper dbHelper;
+    Object[] dataArray;
+    String[] getInfo;
+    SupportRecommendations supportRecommendations;
+    List list;
+    List recommendations;
+    List recommendedList;
+    List ListChecker;
+    DataSetModels[] dsModelsArray;
+    String pythonClassName;
+
+
 
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         setContentView(R.layout.activity_video_player);
 
+        Intent intent = getIntent();
+        String Category = intent.getStringExtra("Selected_Sub_Category");
+        System.out.println("Sub_Category :"+Category);
+
+        list = new ArrayList<>();
+        recommendations = new ArrayList();
+        recommendedList = new ArrayList();
+        ListChecker = new ArrayList();
         btn_play = findViewById(R.id.btn_play);
+        btn_Submit = findViewById(R.id.btnSubmit);
+        textView = findViewById(R.id.vID1);
+
+        supportRecommendations = new SupportRecommendations();
         youTubePlayerView = findViewById(R.id.YoutubePlayerView);
 
+        //select the python class according to selected video category
+        if(Category.equals("DIS_CAT1")){
+            pythonClassName = "recommendations";
+        }else if(Category.equals("DIS_CAT2")){
+            pythonClassName = "recommendationsCat2";
+        }
+
+
         onInitializedListener = new YouTubePlayer.OnInitializedListener() {
             @Override
             public void onInitializationSuccess(YouTubePlayer.Provider provider, YouTubePlayer youTubePlayer, boolean b) {
@@ -46,5 +88,38 @@ public class VideoController extends YouTubeBaseActivity {
             }
         });
 
+        // converting list into array
+        dataArray = new Object[list.size()];
+        dataArray = list.toArray(dataArray);
+
+
+        //start python if it is not started
+        if (!Python.isStarted()){
+            Python.start(new AndroidPlatform(this));
+        }
+
+        //create python instance
+        final Python py = Python.getInstance();
+        btn_Submit.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View view) {
+                //create python object to load script
+
+                int mark = 66;
+                //calling python class
+                PyObject pyO = py.getModule(pythonClassName);
+                //calling python class main function
+                PyObject obj = pyO.callAttr("main",mark);
+
+                //story in the return value in the phython class in to string veriable
+                String str = obj.toString();
+                ListChecker = obj.asList();
+                recommendedList = supportRecommendations.FilterRecommendations(str,ListChecker);
+                System.out.println("Recommended List "+recommendedList);
+            //    textView.setText(str);
+
+
+            }
+        });
     }
 }
\ No newline at end of file

app/src/main/java/com/elearning/probabilityandstatisticsanalyserandeducator/adaptiveLearning/VideoHandler.java

+package com.elearning.probabilityandstatisticsanalyserandeducator.adaptiveLearning;
+
+import androidx.appcompat.app.AppCompatActivity;
+
+import android.annotation.SuppressLint;
+import android.content.Intent;
+import android.os.Bundle;
+import android.widget.EditText;
+import android.widget.ImageView;
+import android.widget.TextView;
+
+import com.chaquo.python.PyObject;
+import com.chaquo.python.Python;
+import com.chaquo.python.android.AndroidPlatform;
+import com.elearning.probabilityandstatisticsanalyserandeducator.R;
+import com.squareup.picasso.Picasso;
+
+import org.apache.commons.io.IOUtils;
+import org.json.JSONObject;
+
+import java.net.URL;
+import java.util.ArrayList;
+import java.util.List;
+
+public class VideoHandler extends AppCompatActivity {
+
+    // variable decleration
+    String pythonClassName;
+    List recommendedList;
+    List ListChecker;
+    SupportRecommendations supportRecommendations;
+    ImageView imageView;
+    TextView title;
+    String VideoId;
+
+    @SuppressLint("WrongViewCast")
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_video_handler);
+
+        //assingned ID
+        title = findViewById(R.id.video_title);
+
+
+        recommendedList = new ArrayList();
+        ListChecker = new ArrayList();
+        imageView = findViewById(R.id.video_ID1);
+
+        supportRecommendations = new SupportRecommendations();
+
+        Intent intent = getIntent();
+        String Category = intent.getStringExtra("Selected_Sub_Category");
+        System.out.println("Sub_Category :"+Category);
+
+        try {
+            VideoId = "k3aKKasOmIw";
+
+            String imag_URL = "http://img.youtube.com/vi/"+VideoId+"/0.jpg"; // this is link which will give u thumnail image of that video
+
+            Picasso.with(VideoHandler.this).load(imag_URL).placeholder(R.drawable.ic_location).into(imageView);
+
+        }catch (Exception e){
+            e.printStackTrace();
+        }
+
+        //select the python class according to selected video category
+        if(Category.equals("DIS_CAT1")){
+            pythonClassName = "recommendations";
+        }else if(Category.equals("DIS_CAT2")){
+            pythonClassName = "recommendationsCat2";
+        }
+
+        //start python if it is not started
+        if (!Python.isStarted()){
+            Python.start(new AndroidPlatform(this));
+        }
+
+        //create python instance
+        final Python py = Python.getInstance();
+
+        int mark = 66;
+        //calling python class
+        PyObject pyO = py.getModule(pythonClassName);
+        //calling python class main function
+        PyObject obj = pyO.callAttr("main",mark);
+
+        //story in the return value in the phython class in to string veriable
+        String str = obj.toString();
+        ListChecker = obj.asList();
+        recommendedList = supportRecommendations.FilterRecommendations(str,ListChecker);
+        System.out.println("Recommended List "+recommendedList);
+        String title = getTitleQuietly("http://www.youtube.com/watch?v=k3aKKasOmIw");
+        System.out.println("Video Title :"+title);
+    }
+
+    public static String getTitleQuietly(String youtubeUrl) {
+        System.out.println("test 0");
+        try {
+            System.out.println("test 1");
+            if (youtubeUrl != null) {
+                System.out.println("test 2");
+                URL embededURL = new URL("http://www.youtube.com/oembed?url=" +
+                        youtubeUrl + "&format=json"
+                );
+                System.out.println("test 3");
+                String test = new JSONObject(IOUtils.toString(embededURL,"UTF-8")).getString("title");
+                System.out.println("testt"+ test);
+                return new JSONObject(IOUtils.toString(embededURL,"UTF-8")).getString("title");
+            }
+
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
+        return null;
+    }
+
+
+}
\ No newline at end of file

app/src/main/java/com/elearning/probabilityandstatisticsanalyserandeducator/adaptiveLearning/courses/DescriptiveCourse.java

@@ -14,10 +14,14 @@ import com.elearning.probabilityandstatisticsanalyserandeducator.R;
 import com.elearning.probabilityandstatisticsanalyserandeducator.adaptiveLearning.CourseHandler;
 import com.elearning.probabilityandstatisticsanalyserandeducator.adaptiveLearning.StartingScreen;
 import com.elearning.probabilityandstatisticsanalyserandeducator.adaptiveLearning.VideoController;
+import com.elearning.probabilityandstatisticsanalyserandeducator.adaptiveLearning.VideoHandler;
 
 public class DescriptiveCourse extends Fragment {
 
     Button btn_1, btn_2, btn_3;
+    public static final String cat1 = "DIS_CAT1";
+    public static final String cat2 = "DIS_CAT2";
+    public static final String cat3 = "DIS_CAT3";
 
 
     public DescriptiveCourse() {
@@ -36,13 +40,26 @@ public class DescriptiveCourse extends Fragment {
         btn_1.setOnClickListener(new View.OnClickListener() {
             @Override
             public void onClick(View view) {
-                Intent intent = new Intent(getContext(), VideoController.class);
-            //    intent.putExtra("Selected_Question_type", SELECT_QUESTION_TYPE);
+                Intent intent = new Intent(getContext(), VideoHandler.class);
+                intent.putExtra("Selected_Sub_Category", cat1);
+                intent.addFlags(Intent.FLAG_ACTIVITY_NO_HISTORY);
+                startActivity(intent);
+            }
+        });
+
+        btn_2.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View view) {
+                Intent intent = new Intent(getContext(), VideoHandler.class);
+                intent.putExtra("Selected_Sub_Category", cat2);
                 intent.addFlags(Intent.FLAG_ACTIVITY_NO_HISTORY);
                 startActivity(intent);
             }
         });
 
         return view;
+
+
+
     }
 }
\ No newline at end of file

app/src/main/java/com/elearning/probabilityandstatisticsanalyserandeducator/adaptiveLearning/courses/VideoList.java

+package com.elearning.probabilityandstatisticsanalyserandeducator.adaptiveLearning.courses;
+
+import android.os.Bundle;
+
+import androidx.fragment.app.Fragment;
+
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+
+import com.elearning.probabilityandstatisticsanalyserandeducator.R;
+
+public class VideoList extends Fragment {
+
+
+    public VideoList() {
+        // Required empty public constructor
+    }
+
+    @Override
+    public View onCreateView(LayoutInflater inflater, ViewGroup container,
+                             Bundle savedInstanceState) {
+        // Inflate the layout for this fragment
+        return inflater.inflate(R.layout.fragment_video_list, container, false);
+    }
+}
\ No newline at end of file

app/src/main/python/dataList.py

+import pandas as pd
+import numpy as np
+from sklearn.feature_extraction.text import CountVectorizer
+from sklearn.metrics.pairwise import cosine_similarity
+def main():
+
+    print("Success")
\ No newline at end of file

app/src/main/python/new 1.txt

+from os.path import dirname, join
+from com.chaquo.python import Python 
+import csv
+import numpy as np
+def main(dataset,a):
+
+ user = []
+ header = ['id', 'name', 'address', 'age']
+ data = dataset
+ #my_array = np.array(list(dataset));
+ #data = ['Afghanistan', 652090, 'AF', 'AFG']
+	#give directory path
+ files_dir = str(Python.getPlatform().getApplication().getFilesDir())
+
+ filename = join(dirname(files_dir),"test.csv")
+    
+ with open(filename,'w',encoding = 'utf8', errors ="ignore") as fin:
+       
+        writer = csv.writer(fin, lineterminator='\n')
+        writer.writerow(header)
+        for i in data:
+            print(i)
+            if i != "_":
+                user.append(i)
+                #print(user)
+            else:
+                continue
+                #print("after ",user)
+                writer.writerow(user)
+                
+                            
+        #print(i)
+        #writer.writerow(data)
+        #writer.writerow(data)
+ fin.close()
+
+ with open(filename,'r',encoding = 'utf8', errors ="ignore") as fin:
+		data = fin.read()
+
+
+ return ""+data
\ No newline at end of file

app/src/main/python/recommendations.py

+import pandas as pd
+import numpy as np
+import csv
+from os.path import dirname, join
+from com.chaquo.python import Python 
+from sklearn.feature_extraction.text import CountVectorizer
+from sklearn.metrics.pairwise import cosine_similarity
+
+#defining the function to concatanate selected parameters for the recommendations
+def combine_features(row):
+    return str(row['time_taken'])+" "+row['any_expireance']
+
+#functions to return perticular value when index is pass as the parameter
+def find_marks_from_index(index,df):
+    return df[df.index == index]["marks"].values[0]
+def find_index_from_marks(marks,df):
+    return df[df.marks == marks]["index"].values[0]
+def find_link_from_index(index,df):
+    return df[df.index == index]["link"].values[0]
+
+#defining the main function to recesive marks as the parameter 
+def main(marks):
+
+ #creating array to store reccomendations
+ matchedkeywordlist=[]
+ 
+ #defining path for dataset file 
+ files_dir = str(Python.getPlatform().getApplication().getFilesDir())
+ filename = join(dirname(files_dir),"des_cat1.csv")
+ 
+ #reading the csv file
+ df = pd.read_csv(filename)
+ 
+ #defining the parameters to be considered for the recommendations 
+ features = ['time_taken','any_expireance']
+ 
+ #creating a new row in the dataset by combining time_taken and any_expireance
+ for feature in features:
+    df[feature] = df[feature].fillna('')
+ df["combined_features"] = df.apply(combine_features,axis=1)
+ 
+ #transform the given text in to a vector on the basis of count of each word that occures in the entire dataset 
+ cv = CountVectorizer() 
+ count_matrix = cv.fit_transform(df["combined_features"])
+ 
+ #measure the similearty of the combine_features irrespective of there sizes considering the cosine of the angle between two vectors 
+ cosine_sim = cosine_similarity(count_matrix)
+ 
+ #get the index value of the marks of user 
+ marks_index = find_index_from_marks(marks,df)
+ 
+ #get the similler marks records 
+ similar_marks = list(enumerate(cosine_sim[marks_index]))
+ 
+ #sorting the similer marks
+ sorted_similar_marks = sorted(similar_marks,key=lambda x:x[1],reverse=True)[1:]
+ 
+ #gettting the most relevant reccomendations 
+ i=0
+ for element in sorted_similar_marks:
+    matchedkeywordlist.append(find_link_from_index(element[0],df))
+    print(find_link_from_index(element[0],df))
+    i=i+1
+    if i>10:
+        break
+ 
+ return matchedkeywordlist
+ 
+ 
+ 
+ 
+ 
+ 
+ 
\ No newline at end of file

app/src/main/python/recommendationsCat2.py

+import pandas as pd
+import numpy as np
+import csv
+from os.path import dirname, join
+from com.chaquo.python import Python 
+from sklearn.feature_extraction.text import CountVectorizer
+from sklearn.metrics.pairwise import cosine_similarity
+
+#defining the function to concatanate selected parameters for the recommendations
+def combine_features(row):
+    return str(row['time_taken'])+" "+row['any_expireance']
+
+#functions to return perticular value when index is pass as the parameter
+def find_marks_from_index(index,df):
+    return df[df.index == index]["marks"].values[0]
+def find_index_from_marks(marks,df):
+    return df[df.marks == marks]["index"].values[0]
+def find_link_from_index(index,df):
+    return df[df.index == index]["link"].values[0]
+
+#defining the main function to recesive marks as the parameter 
+def main(marks):
+
+ #creating array to store reccomendations
+ matchedkeywordlist=[]
+ 
+ #defining path for dataset file 
+ files_dir = str(Python.getPlatform().getApplication().getFilesDir())
+ filename = join(dirname(files_dir),"des_cat2.csv")
+ 
+ #reading the csv file
+ df = pd.read_csv(filename)
+ 
+ #defining the parameters to be considered for the recommendations 
+ features = ['time_taken','any_expireance']
+ 
+ #creating a new row in the dataset by combining time_taken and any_expireance
+ for feature in features:
+    df[feature] = df[feature].fillna('')
+ df["combined_features"] = df.apply(combine_features,axis=1)
+ 
+ #transform the given text in to a vector on the basis of count of each word that occures in the entire dataset 
+ cv = CountVectorizer() 
+ count_matrix = cv.fit_transform(df["combined_features"])
+ 
+ #measure the similearty of the combine_features irrespective of there sizes considering the cosine of the angle between two vectors 
+ cosine_sim = cosine_similarity(count_matrix)
+ 
+ #get the index value of the marks of user 
+ marks_index = find_index_from_marks(marks,df)
+ 
+ #get the similler marks records 
+ similar_marks = list(enumerate(cosine_sim[marks_index]))
+ 
+ #sorting the similer marks
+ sorted_similar_marks = sorted(similar_marks,key=lambda x:x[1],reverse=True)[1:]
+ 
+ #gettting the most relevant reccomendations 
+ i=0
+ for element in sorted_similar_marks:
+    matchedkeywordlist.append(find_link_from_index(element[0],df))
+    print(find_link_from_index(element[0],df))
+    i=i+1
+    if i>10:
+        break
+ 
+ return matchedkeywordlist
+ 
+ 
+ 
+ 
+ 
+ 
+ 
\ No newline at end of file

app/src/main/python/sweet.py

+from os.path import dirname, join
+from com.chaquo.python import Python 
+import csv
+import numpy as np
+def main(dataset,a):
+
+ user = []
+ header = ['id', 'name', 'address', 'age']
+ data = dataset
+ #my_array = np.array(list(dataset));
+ #data = ['Afghanistan', 652090, 'AF', 'AFG']
+	#give directory path
+ files_dir = str(Python.getPlatform().getApplication().getFilesDir())
+ filename = join(dirname(files_dir),"test.csv")
+
+ with open(filename,'r',encoding = 'utf8', errors ="ignore") as fin:
+		data = fin.read()
+
+
+ return ""+data
\ No newline at end of file

app/src/main/res/layout/activity_video_handler.xml

+<?xml version="1.0" encoding="utf-8"?>
+<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    tools:context=".adaptiveLearning.VideoHandler">
+
+    <ImageView
+        android:id="@+id/video_ID1"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintHorizontal_bias="0.498"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent"
+        app:layout_constraintVertical_bias="0.124"
+        tools:srcCompat="@tools:sample/avatars" />
+
+    <TextView
+        android:id="@+id/video_title"
+        android:layout_width="209dp"
+        android:layout_height="38dp"
+        android:text="TextView"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent" />
+</androidx.constraintlayout.widget.ConstraintLayout>
\ No newline at end of file

app/src/main/res/layout/activity_video_player.xml

@@ -5,6 +5,7 @@
     android:layout_width="match_parent"
     android:layout_height="match_parent"
     android:orientation="vertical"
+    android:background="@color/colorAccent"
     tools:context=".adaptiveLearning.VideoController">
 
     <com.google.android.youtube.player.YouTubePlayerView
@@ -19,4 +20,17 @@
         android:layout_marginTop="20dp"
         />
 
+    <TextView
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:id="@+id/vID1"
+        />
+
+    <Button
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:id="@+id/btnSubmit"
+        android:text="Submit"
+        />
+
 </LinearLayout>
\ No newline at end of file

app/src/main/res/layout/fragment_dash_board_home.xml

@@ -155,24 +155,25 @@
         </TextView>
     </LinearLayout>
 
-<Button
-    android:id="@+id/dashbord_continur"
-    android:layout_marginTop="20dp"
-    android:background="@drawable/btn_continue"
-    android:layout_width="match_parent"
-    android:layout_height="65dp"
-    android:layout_marginRight="18dp"
-    android:layout_marginLeft="18dp">
+    <Button
+        android:id="@+id/dashbord_continur"
+        android:layout_width="match_parent"
+        android:layout_height="65dp"
+        android:layout_marginLeft="18dp"
+        android:layout_marginTop="20dp"
+        android:layout_marginRight="18dp"
+        android:text="Continue">
+
+    </Button>
 
-</Button>
     <Button
         android:id="@+id/dashboard_cancel"
+        android:text="Cancel"
         android:layout_marginTop="10dp"
         android:layout_width="match_parent"
         android:layout_height="65dp"
         android:layout_marginRight="18dp"
-        android:layout_marginLeft="18dp"
-        android:background="@drawable/cancel_btn">
+        android:layout_marginLeft="18dp">
     </Button>
 
 </LinearLayout>
\ No newline at end of file

app/src/main/res/layout/fragment_descriptive_course.xml

@@ -4,6 +4,7 @@
     xmlns:tools="http://schemas.android.com/tools"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
+    android:background="?attr/colorButtonNormal"
     tools:context=".adaptiveLearning.courses.DescriptiveCourse">
 
     <!-- TODO: Update blank fragment layout -->
@@ -11,88 +12,95 @@
 
     <TextView
         android:id="@+id/textView1"
-        android:layout_width="wrap_content"
-        android:layout_height="wrap_content"
-        android:text="Wellcome to Descriptive Statics Course"
-        android:textSize="18sp"
+        android:layout_width="408dp"
+        android:layout_height="80dp"
+        android:text="  Wellcome to Descriptive Statics Course"
+        android:textColor="@color/black"
+        android:textSize="20dp"
         app:layout_constraintBottom_toBottomOf="parent"
         app:layout_constraintEnd_toEndOf="parent"
-        app:layout_constraintHorizontal_bias="0.581"
+        app:layout_constraintHorizontal_bias="0.454"
         app:layout_constraintStart_toStartOf="parent"
         app:layout_constraintTop_toTopOf="parent"
-        app:layout_constraintVertical_bias="0.168" />
+        app:layout_constraintVertical_bias="0.128" />
 
     <TextView
         android:id="@+id/textView2"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
         android:text=" Mean, Median, Mode and Range"
+        android:textColor="@color/teal_700"
+        android:textSize="18sp"
         app:layout_constraintBottom_toBottomOf="parent"
         app:layout_constraintEnd_toEndOf="parent"
-        app:layout_constraintHorizontal_bias="0.23"
+        app:layout_constraintHorizontal_bias="0.205"
         app:layout_constraintStart_toStartOf="parent"
         app:layout_constraintTop_toTopOf="parent"
-        app:layout_constraintVertical_bias="0.3" />
+        app:layout_constraintVertical_bias="0.294" />
 
     <Button
         android:id="@+id/DecriptiveCourse_btn_1"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
-        android:text="Button 1"
+        android:text=" Start "
         app:layout_constraintBottom_toBottomOf="parent"
         app:layout_constraintEnd_toEndOf="parent"
         app:layout_constraintHorizontal_bias="0.226"
         app:layout_constraintStart_toStartOf="parent"
         app:layout_constraintTop_toTopOf="parent"
-        app:layout_constraintVertical_bias="0.378" />
+        app:layout_constraintVertical_bias="0.36" />
 
     <TextView
         android:id="@+id/textView3"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
         android:text=" Minimum and Maximum "
+        android:textColor="@color/teal_700"
+        android:textSize="18sp"
         app:layout_constraintBottom_toBottomOf="parent"
         app:layout_constraintEnd_toEndOf="parent"
-        app:layout_constraintHorizontal_bias="0.189"
+        app:layout_constraintHorizontal_bias="0.149"
         app:layout_constraintStart_toStartOf="parent"
         app:layout_constraintTop_toTopOf="parent"
-        app:layout_constraintVertical_bias="0.515" />
+        app:layout_constraintVertical_bias="0.478" />
 
     <Button
         android:id="@+id/DecriptiveCourse_btn_2"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
-        android:text="Button 2"
+        android:text=" Start "
         app:layout_constraintBottom_toBottomOf="parent"
         app:layout_constraintEnd_toEndOf="parent"
-        app:layout_constraintHorizontal_bias="0.226"
+        app:layout_constraintHorizontal_bias="0.25"
         app:layout_constraintStart_toStartOf="parent"
         app:layout_constraintTop_toTopOf="parent"
-        app:layout_constraintVertical_bias="0.605" />
+        app:layout_constraintVertical_bias="0.566" />
 
     <TextView
         android:id="@+id/textView4"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
         android:text=" First Quartile, Third Quartile and IQR "
+        android:textColor="@color/teal_700"
+        android:textSize="18sp"
         app:layout_constraintBottom_toBottomOf="parent"
         app:layout_constraintEnd_toEndOf="parent"
-        app:layout_constraintHorizontal_bias="0.265"
+        app:layout_constraintHorizontal_bias="0.264"
         app:layout_constraintStart_toStartOf="parent"
         app:layout_constraintTop_toTopOf="parent"
-        app:layout_constraintVertical_bias="0.721" />
+        app:layout_constraintVertical_bias="0.689" />
 
     <Button
         android:id="@+id/DecriptiveCourse_btn_3"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
-        android:text="Button 3"
+        android:text=" Start "
         app:layout_constraintBottom_toBottomOf="parent"
         app:layout_constraintEnd_toEndOf="parent"
-        app:layout_constraintHorizontal_bias="0.226"
+        app:layout_constraintHorizontal_bias="0.275"
         app:layout_constraintStart_toStartOf="parent"
         app:layout_constraintTop_toTopOf="parent"
-        app:layout_constraintVertical_bias="0.801" />
+        app:layout_constraintVertical_bias="0.767" />
 
 
 </androidx.constraintlayout.widget.ConstraintLayout>
\ No newline at end of file

app/src/main/res/layout/fragment_video_list.xml

+<?xml version="1.0" encoding="utf-8"?>
+<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    tools:context=".adaptiveLearning.courses.VideoList">
+
+    <!-- TODO: Update blank fragment layout -->
+    <TextView
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:text="@string/hello_blank_fragment" />
+
+</FrameLayout>
\ No newline at end of file