Turtle (python)

                    import turtle 
                    # give the turtle name;
                    clever = turtle.Turtle()
                    clever.color('green')
                    clever.speed(0)
  

                   def draw_square():
                   for side in range(4):
                   clever.forward(100)
                   clever.right(90)
                   for anothersquare in range(4):
                   clever.forward(50)
                   clever.right(90)
                   

                   draw_square()
                   def lotofsquare():
                   for square in range(30):
    
                   clever.color('green')
                   draw_square()
                   clever.penup()
                   clever.forward(20)
                   clever.left(50)
                   clever.pendown()
                   lotofsquare()

IF WE WANT TO SEE OUTPUT CLICK THE BELOW LINK