1.使用turtle库画五角星

#https://www.cnblogs.com/yeu4h3uh2/

import turtle

turtle.pensize(8)
turtle.pencolor("yellow")
turtle.fillcolor("red")

turtle.begin_fill()
for i in range(5):
    turtle.forward(90)
    turtle.right(144)
    turtle.forward(90)
    turtle.left(72)
turtle.end_fill()

turtle.hideturtle()   #隐藏画笔
turtle.done()#结束绘制