from turtle import * 
   from random import randint 
   bgcolor('black') 
   x = 1 
   speed(0) 
   while x < 400: 
  
   r = randint(0,255) 
   g = randint(0,255)  
   b = randint(0,255) 
  
   colormode(255)  
   pencolor(r,g,b) 
   fd(50 + x) 
   rt(90.991) 
   x = x+1 
  
   exitonclick()

   import turtle
   turtle.bgcolor("black")
   Cppsecrets = turtle.Screen()
   Cppsecrets.title("Animation Circle ")
   turtle=turtle.Turtle()
   turtle.color("red")
   turtle.speed(20)
   turtle.hideturtle()
   for i in range(100):
         turtle.circle(i*2)
         turtle._rotate(5)

   import  turtle
   turtle.bgcolor("black")
   turtle.pencolor("yellow")
   turtle.color("yellow","green")
   turtle.shape("turtle")
   turtle.pensize(5)
   mycolor=["red","blue","yellow","green","orange"]
   k=0
   j=200
   for i in range(0,17,1):
      turtle.pencolor(mycolor[k])
      k+=1
      if k==4:
          k=0
      turtle.forward(j)
      j=j-10
      turtle.left(90)

      turtle.done()