# Arup Guha
# 1/27/2020
# Turtle with Loops!

import turtle

def main():

    # The length of the side of my square.
    for side in range(10, 210, 10):

        # Lift the pen and go to the correct starting spot.
        turtle.penup()
        turtle.setpos(side//2, side//2)
        turtle.pendown()

        # Draw the square, remember to turn first.
        for i in range(4):
            turtle.right(90)
            turtle.forward(side)

main()