for循环：用turtle画一颗五角星

import turtle
#画一个五角星
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)
turtle.done()