# Arup Guha
# 9/17/2020
# Introducing a for loop that runs a fixed # of times (4) to draw a square.
import turtle

# Old way to draw a square.
'''
turtle.forward(100)
turtle.left(90)
turtle.forward(100)
turtle.left(90)
turtle.forward(100)
turtle.left(90)
turtle.forward(100)
turtle.left(90)
'''

# This will repeat whatever is inside of it exactly 4 times!
for i in range(4):

    # So we draw one side and turn.
    turtle.forward(100)
    turtle.left(90)