import turtle, math

def square(t,s):
    for i in range(4):
        t.forward(s)
        t.left(90)
    return()

alice = turtle.Turtle()
##for i in range(1,11):
##    square(alice,20*i)
##    alice.left(20)
    
alice.color('red', 'yellow')
alice.begin_fill()
while True:
    alice.forward(200)
    alice.left(170)
    if abs(alice.pos()) < 1:
        break
alice.end_fill()
done()