for循环：用turtle画一颗五角星

import turtle
turtle.bgcolor('red')
turtle.pencolor('yellow')
turtle.fillcolor('yellow')
turtle.begin_fill()


for i in range(5):

     turtle.forward(50)

     turtle.right(144)


turtle.end_fill()
turtle.done()

import turtle
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()