#!/usr/bin/env python3
import turtle
t = turtle.Pen()
for x in range(400):
    t.forward(x)
    t.left(90)
input("press enter to exit")

#!/usr/bin/env python3
import turtle
t = turtle.Pen()
for x in range(400):
    t.forward(x)
    t.left(90)
input("press enter to exit")

#!/usr/bin/env python3