#!/usr/bin/env python 

# https://www.geeksforgeeks.org/draw-square-and-rectangle-in-turtle-python/

# Python program to demonstrate
# concentric circle drawing


import turtle


t = turtle.Turtle()

# radius of the circle
r = 10

# Loop for printing concentric circles
for i in range(50):
	t.circle(r * i)
	t.up()
	t.sety((r * i)*(-1))
	t.down()

