for循环：用turtle画一颗五角星

import turtle
turtle.setup(800,400,0,0)
turtle.bgcolor('pink')


turtle.forward(100)
turtle.right(144)

turtle.forward(100)
turtle.right(144)

turtle.forward(100)
turtle.right(144)

turtle.forward(100)
turtle.right(144)

turtle.forward(100)
turtle.right(144)