📅  最后修改于: 2022-03-11 14:46:38.108000             🧑  作者: Mango
import turtle
turtle.bgcolor("black")
squary = turtle.Turtle()
squary.speed(20)
squary.pencolor("red")
for i in range(400):
squary.backward(i)
squary.forward(i)
squary.left(91)