diff --git a/applet_in _java/java/README.md b/applet_in _java/java/README.md
deleted file mode 100644
index c2e3d49ec..000000000
--- a/applet_in _java/java/README.md	
+++ /dev/null
@@ -1,4 +0,0 @@
-Applet Programming with Animation
-
-When You run this code:
-on mouse click car(drawn on applet) will start moving (Animation in applet)
diff --git a/applet_in _java/java/car.java b/applet_in _java/java/car.java
deleted file mode 100644
index 52f2fab78..000000000
--- a/applet_in _java/java/car.java	
+++ /dev/null
@@ -1,167 +0,0 @@
-import java.applet.*;
-import java.awt.*;
-import java.awt.event.*;
-public class car extends Applet implements Runnable,MouseListener
-
-
-{
-	int i=0,k=0,z=0;
-	public void paint(Graphics g)
-	{
-          int x[]={200+i,300+i,400+i,500+i,500+i,0+i,0+i,100+i};
-          int y[]={200,200,300,300,400,400,300,300};
-          g.setColor(Color.RED);
-          g.fillPolygon(x,y,8);
-          g.setColor(Color.BLUE);
-        g.drawPolygon(x,y,8);
-        g.setColor(Color.WHITE);
-        g.fillOval(80+i, 350, 80, 80);
-        g.fillOval(320+i, 350, 80, 80);
-        g.setColor(Color.GREEN);
-        g.drawOval(80+i, 350, 80, 80);
-        g.drawOval(320+i, 350, 80, 80);
-        int x1[]={200+i,300+i,380+i,120+i};
-        int y1[]={220,220,300,300};
-        
-        g.setColor(Color.DARK_GRAY);
-        g.fillPolygon(x1,y1,4);
-        g.setColor(Color.MAGENTA);
-        g.drawPolygon(x1,y1,4);
-        
-	}
-	void update()
-	{
-		
-		if(z%2!=0)
-		{
-		 i=(i+1)%getWidth();
-		}
-		if(z%2==0)
-		{
-
-			if(i==0)
-			{
-				i=getWidth();
-			}
-			i=(i-1);
-					
-		}
-		
-	}
-	
-	Thread t;
-	Thread t1;
-	public void init()
-	{
-		 t=new Thread(this);
-		//t.setDaemon(true); 
-		t1=new Thread(this);
-		//t1.setDaemon(true); 
-		addMouseListener(this);
-		
-        			
-	}
-	public void run()
-	{
-		if(z%2==0)
-		{
-			while(true)
-			{
-		update();
-			repaint();
-			try
-			{
-			  Thread.sleep(10);
-			}
-			catch(Exception e )
-			{
-				
-			}	
-								
-		}
-		}
-						
-			 if(z%2!=0)
-		{
-		while(true)
-		{
-		update();
-		repaint();
-		try
-		{
-		  Thread.sleep(10);
-		}
-		catch(Exception e )
-		{
-			
-		}
-		}
-		
-	}
-		
-	}
-		
-		public void mouseClicked(MouseEvent e)
-		{
-	
-			//if(k>0)
-			//{
-				//t.resume();
-			
-//			}
-			System.out.println("kkk = "+e);
-			int x=e.getX();
-			int y=e.getY();
-			
-           z++;
-			while(x>0&&x<getWidth())
-			{
-				
-				if(z%2!=0)
-				{		
-					System.out.println(x);
-				 t.start();
-				}
-				if(z%2==0)
-				{
-					System.out.println(x);
-					t1.start();
-				}
-				
-			}
-
-		
-	
-		}
-
-
-
-		@Override
-		public void mouseEntered(MouseEvent arg0) {
-			// TODO Auto-generated method stub
-			
-		}
-
-		@Override
-		public void mouseExited(MouseEvent arg0) {
-			// TODO Auto-generated method stub
-			
-		}
-
-		@Override
-		public void mousePressed(MouseEvent arg0) 
-		{
-			
-			
-		}
-		@Override
-		public void mouseReleased(MouseEvent arg0) 
-		{
-			
-		}
-
-		
-		
-		
-	
-}
diff --git a/githu-api/js/exampleOutput.json b/github-api/js/exampleOutput.json
similarity index 100%
rename from githu-api/js/exampleOutput.json
rename to github-api/js/exampleOutput.json
diff --git a/githu-api/js/search.js b/github-api/js/search.js
similarity index 100%
rename from githu-api/js/search.js
rename to github-api/js/search.js
diff --git a/gradient-escent/python/data1.csv b/gradient-escent/python/data1.csv
deleted file mode 100644
index 7161f2b36..000000000
--- a/gradient-escent/python/data1.csv
+++ /dev/null
@@ -1,100 +0,0 @@
-32.502345269453031,31.70700584656992
-53.426804033275019,68.77759598163891
-61.530358025636438,62.562382297945803
-47.475639634786098,71.546632233567777
-59.813207869512318,87.230925133687393
-55.142188413943821,78.211518270799232
-52.211796692214001,79.64197304980874
-39.299566694317065,59.171489321869508
-48.10504169176825,75.331242297063056
-52.550014442733818,71.300879886850353
-45.419730144973755,55.165677145959123
-54.351634881228918,82.478846757497919
-44.164049496773352,62.008923245725825
-58.16847071685779,75.392870425994957
-56.727208057096611,81.43619215887864
-48.955888566093719,60.723602440673965
-44.687196231480904,82.892503731453715
-60.297326851333466,97.379896862166078
-45.618643772955828,48.847153317355072
-38.816817537445637,56.877213186268506
-66.189816606752601,83.878564664602763
-65.41605174513407,118.59121730252249
-47.48120860786787,57.251819462268969
-41.57564261748702,51.391744079832307
-51.84518690563943,75.380651665312357
-59.370822011089523,74.765564032151374
-57.31000343834809,95.455052922574737
-63.615561251453308,95.229366017555307
-46.737619407976972,79.052406169565586
-50.556760148547767,83.432071421323712
-52.223996085553047,63.358790317497878
-35.567830047746632,41.412885303700563
-42.436476944055642,76.617341280074044
-58.16454011019286,96.769566426108199
-57.504447615341789,74.084130116602523
-45.440530725319981,66.588144414228594
-61.89622268029126,77.768482417793024
-33.093831736163963,50.719588912312084
-36.436009511386871,62.124570818071781
-37.675654860850742,60.810246649902211
-44.555608383275356,52.682983366387781
-43.318282631865721,58.569824717692867
-50.073145632289034,82.905981485070512
-43.870612645218372,61.424709804339123
-62.997480747553091,115.24415280079529
-32.669043763467187,45.570588823376085
-40.166899008703702,54.084054796223612
-53.575077531673656,87.994452758110413
-33.864214971778239,52.725494375900425
-64.707138666121296,93.576118692658241
-38.119824026822805,80.166275447370964
-44.502538064645101,65.101711570560326
-40.599538384552318,65.562301260400375
-41.720676356341293,65.280886920822823
-51.088634678336796,73.434641546324301
-55.078095904923202,71.13972785861894
-41.377726534895203,79.102829683549857
-62.494697427269791,86.520538440347153
-49.203887540826003,84.742697807826218
-41.102685187349664,59.358850248624933
-41.182016105169822,61.684037524833627
-50.186389494880601,69.847604158249183
-52.378446219236217,86.098291205774103
-50.135485486286122,59.108839267699643
-33.644706006191782,69.89968164362763
-39.557901222906828,44.862490711164398
-56.130388816875467,85.498067778840223
-57.362052133238237,95.536686846467219
-60.269214393997906,70.251934419771587
-35.678093889410732,52.721734964774988
-31.588116998132829,50.392670135079896
-53.66093226167304,63.642398775657753
-46.682228649471917,72.247251068662365
-43.107820219102464,57.812512976181402
-70.34607561504933,104.25710158543822
-44.492855880854073,86.642020318822006
-57.50453330326841,91.486778000110135
-36.930076609191808,55.231660886212836
-55.805733357942742,79.550436678507609
-38.954769073377065,44.847124242467601
-56.901214702247074,80.207523139682763
-56.868900661384046,83.14274979204346
-34.33312470421609,55.723489260543914
-59.04974121466681,77.634182511677864
-57.788223993230673,99.051414841748269
-54.282328705967409,79.120646274680027
-51.088719898979143,69.588897851118475
-50.282836348230731,69.510503311494389
-44.211741752090113,73.687564318317285
-38.005488008060688,61.366904537240131
-32.940479942618296,67.170655768995118
-53.691639571070056,85.668203145001542
-68.76573426962166,114.85387123391394
-46.230966498310252,90.123572069967423
-68.319360818255362,97.919821035242848
-50.030174340312143,81.536990783015028
-49.239765342753763,72.111832469615663
-50.039575939875988,85.232007342325673
-48.149858891028863,66.224957888054632
-25.128484647772304,53.454394214850524
diff --git a/gradient-escent/python/gradient.py b/gradient-escent/python/gradient.py
deleted file mode 100644
index b22adf3df..000000000
--- a/gradient-escent/python/gradient.py
+++ /dev/null
@@ -1,49 +0,0 @@
-from numpy import *
-
-def compute_error(b, m, points):
-    totalerror = 0
-    for i in range(0, len(points)):
-        x = points[i, 0]
-        y = points[i, 1]
-        totalerror += (y - (m * x + b)) ** 2
-    return totalerror / float(len(points))
-
-def step_gradient(b, m, points, learning_rate):
-    #gradient descent
-    b_gradient = 0
-    m_gradient = 0
-    N = float(len(points))
-
-    for i in range(0, len(points)):
-        x = points[i, 0]
-        y = points[i, 1]
-        b_gradient += -(2/N) * (y - ((m * x) + b))
-        m_gradient += -(2 / N) * x * (y - ((m * x) + b))
-    new_b = b - (learning_rate * b_gradient)
-    new_m = m - (learning_rate * m_gradient)
-
-    return [new_b, new_m]
-
-def gradient_descent_runner(points, initial_b, initial_m, learning_rate,  num_of_iterations):
-    b = initial_b
-    m = initial_m
-
-    for i in range(num_of_iterations):
-        b, m = step_gradient(b, m, array(points), learning_rate)
-    return [b, m]
-
-def run():
-    points = genfromtxt('data1.csv', delimiter=',')
-    learning_rate = 0.0001 #hyperparameter
-    #slope and yintercept y = mx + b
-    initial_b = 0
-    initial_m = 0
-    num_of_iterations = 1000
-    [b, m] = gradient_descent_runner(points, initial_b, initial_m, learning_rate,  num_of_iterations)
-
-    print(b)
-    print(m)
-
-if __name__ == "__main__":
-    run()
-
diff --git a/java_applets/README.md b/java_applets/README.md
deleted file mode 100644
index c2e3d49ec..000000000
--- a/java_applets/README.md
+++ /dev/null
@@ -1,4 +0,0 @@
-Applet Programming with Animation
-
-When You run this code:
-on mouse click car(drawn on applet) will start moving (Animation in applet)
diff --git a/java_applets/car.java b/java_applets/car.java
deleted file mode 100644
index 52f2fab78..000000000
--- a/java_applets/car.java
+++ /dev/null
@@ -1,167 +0,0 @@
-import java.applet.*;
-import java.awt.*;
-import java.awt.event.*;
-public class car extends Applet implements Runnable,MouseListener
-
-
-{
-	int i=0,k=0,z=0;
-	public void paint(Graphics g)
-	{
-          int x[]={200+i,300+i,400+i,500+i,500+i,0+i,0+i,100+i};
-          int y[]={200,200,300,300,400,400,300,300};
-          g.setColor(Color.RED);
-          g.fillPolygon(x,y,8);
-          g.setColor(Color.BLUE);
-        g.drawPolygon(x,y,8);
-        g.setColor(Color.WHITE);
-        g.fillOval(80+i, 350, 80, 80);
-        g.fillOval(320+i, 350, 80, 80);
-        g.setColor(Color.GREEN);
-        g.drawOval(80+i, 350, 80, 80);
-        g.drawOval(320+i, 350, 80, 80);
-        int x1[]={200+i,300+i,380+i,120+i};
-        int y1[]={220,220,300,300};
-        
-        g.setColor(Color.DARK_GRAY);
-        g.fillPolygon(x1,y1,4);
-        g.setColor(Color.MAGENTA);
-        g.drawPolygon(x1,y1,4);
-        
-	}
-	void update()
-	{
-		
-		if(z%2!=0)
-		{
-		 i=(i+1)%getWidth();
-		}
-		if(z%2==0)
-		{
-
-			if(i==0)
-			{
-				i=getWidth();
-			}
-			i=(i-1);
-					
-		}
-		
-	}
-	
-	Thread t;
-	Thread t1;
-	public void init()
-	{
-		 t=new Thread(this);
-		//t.setDaemon(true); 
-		t1=new Thread(this);
-		//t1.setDaemon(true); 
-		addMouseListener(this);
-		
-        			
-	}
-	public void run()
-	{
-		if(z%2==0)
-		{
-			while(true)
-			{
-		update();
-			repaint();
-			try
-			{
-			  Thread.sleep(10);
-			}
-			catch(Exception e )
-			{
-				
-			}	
-								
-		}
-		}
-						
-			 if(z%2!=0)
-		{
-		while(true)
-		{
-		update();
-		repaint();
-		try
-		{
-		  Thread.sleep(10);
-		}
-		catch(Exception e )
-		{
-			
-		}
-		}
-		
-	}
-		
-	}
-		
-		public void mouseClicked(MouseEvent e)
-		{
-	
-			//if(k>0)
-			//{
-				//t.resume();
-			
-//			}
-			System.out.println("kkk = "+e);
-			int x=e.getX();
-			int y=e.getY();
-			
-           z++;
-			while(x>0&&x<getWidth())
-			{
-				
-				if(z%2!=0)
-				{		
-					System.out.println(x);
-				 t.start();
-				}
-				if(z%2==0)
-				{
-					System.out.println(x);
-					t1.start();
-				}
-				
-			}
-
-		
-	
-		}
-
-
-
-		@Override
-		public void mouseEntered(MouseEvent arg0) {
-			// TODO Auto-generated method stub
-			
-		}
-
-		@Override
-		public void mouseExited(MouseEvent arg0) {
-			// TODO Auto-generated method stub
-			
-		}
-
-		@Override
-		public void mousePressed(MouseEvent arg0) 
-		{
-			
-			
-		}
-		@Override
-		public void mouseReleased(MouseEvent arg0) 
-		{
-			
-		}
-
-		
-		
-		
-	
-}