猫史档案馆

from turtle import *
title('hi，boy')
color('grey')
begin_fill()
hideturtle()
setx(0)
sety(0)
speed(3)
while True:
    forward(52)
    right(90)
    forward(52)
    right(18)
    back(52)
    right(90)
    forward(52)
    if abs(pos()) < 1:
       break
end_fill()
done()