diff --git a/cr2.py b/cr2.py
deleted file mode 100644
index 070e5a2..0000000
--- a/cr2.py
+++ /dev/null
@@ -1,112 +0,0 @@
-from OpenGL.GL import*
-from OpenGL.GLU import*
-from OpenGL.GLUT import*
-WINDOWSIZE=500
-import math
-b1,b2,b3,b4=0,0,-0,0
-len=-300
-
-def Init():
-    glClearColor(0.0,0.0,0.0,0.0)
-    gluOrtho2D(-WINDOWSIZE,WINDOWSIZE,-WINDOWSIZE,WINDOWSIZE)
-
-
-def bowl():
-    glColor3f(0.5,0.5,0.5)
-    glLineWidth(7)
-    glBegin(GL_LINES)
-    glVertex2f(0,-300)
-    glVertex2f(0,-500)
-    glVertex2f(150,-300)
-    glVertex2f(150,-500)
-    glVertex2f(0,-500)
-    glVertex2f(150,-500)
-    glEnd()
-
-
-def water():
-    glColor3f(0.2,0.5,1.0)
-    glLineWidth(1)
-    glBegin(GL_LINES)
-    theta=0
-    while theta<360:
-        glVertex(75,b1)
-        x1=10*math.cos(math.radians(theta))+75
-        y1=10*math.sin(math.radians(theta))+b1
-        glVertex2f(x1,y1)
-        theta=theta+0.1
-    glEnd()
-    glBegin(GL_LINES)
-    theta=0
-    while theta<360:
-        glVertex(75,b2)
-        x1=10*math.cos(math.radians(theta))+75
-        y1=10*math.sin(math.radians(theta))+b2
-        glVertex2f(x1,y1)
-        theta=theta+0.1
-    glEnd()
-    glBegin(GL_LINES)
-    theta=0
-    while theta<360:
-        glVertex(75,b3)
-        x1=10*math.cos(math.radians(theta))+75
-        y1=10*math.sin(math.radians(theta))+b3
-        glVertex2f(x1,y1)
-        theta=theta+0.1
-    glEnd()
-    glBegin(GL_LINES)
-    theta=0
-    while theta<360:
-        glVertex(75,b4)
-        x1=10*math.cos(math.radians(theta))+75
-        y1=10*math.sin(math.radians(theta))+b4
-        glVertex2f(x1,y1)
-        theta=theta+0.1
-    glEnd()
-
-
-def fill():
-    glColor3f(0.2,0.5,1.0)
-    glLineWidth(1)
-    glBegin(GL_QUADS)
-    glVertex2f(145,-490+len)
-    glVertex2f(5,-490+len)
-    glVertex2f(5,-490)
-    glVertex2f(145,-490)
-    glEnd()
-
-def drawWaterPipe():
-    glClear(GL_COLOR_BUFFER_BIT)
-    bowl()
-    water()
-    fill()
-    glutSwapBuffers()
-
-def animate(temp):
-    global b1,b2,b3,b4,len
-    glutPostRedisplay()
-    glutTimerFunc(int(1000/60),animate,int(0))
-    
-    if len<190:
-        b1=b1-10
-        b2=b2-10
-        b3=b3-10
-        b4=b4-10
-        len=len+1
-    if b1==-400:
-        b1=40
-    
-
-def main():
-    glutInit(sys.argv)
-    glutInitWindowSize(WINDOWSIZE,WINDOWSIZE)
-    glutInitWindowPosition(0,0)
-    glutInitDisplayMode(GLUT_RGBA)
-    glutCreateWindow("Water filling")
-    glutDisplayFunc(drawWaterPipe)
-    glutTimerFunc(0,animate,0)
-    glutIdleFunc(drawWaterPipe)
-    Init()
-    glutMainLoop()
-
-main()
diff --git a/crow.py b/crow.py
deleted file mode 100644
index e69de29..0000000