#五角星 画图
import  turtle
turtle.bgcolor("red")
turtle.penup()
turtle.goto(300,-300)
turtle.pendown()
turtle.forward(180)
turtle.left(72)
turtle.forward(180)
turtle.right(144)
turtle.forward(180)
turtle.left(72)
turtle.forward(180)
turtle.right(144)
turtle.forward(180)
turtle.left(72)
turtle.forward(180)
turtle.right(144)
turtle.forward(180)
turtle.left(72)
turtle.forward(180)
turtle.right(144)
turtle.forward(180)
turtle.left(72)
turtle.forward(180)
turtle.done()