函数定义与使用

import turtle
turtle.setup(600,400,0,0)
turtle.bgcolor("red")
turtle.color("yellow")
turtle.fillcolor("yellow")

def mygoto(x,y):
    turtle.penup()
    turtle.goto(x,y)
    turtle.pendown()

mygoto(-250,100)
turtle.begin_fill()
for i in range(5):
    turtle.forward(100)
    turtle.right(144)
turtle.end_fill()

mygoto(-100,150)
turtle.begin_fill()
for i in range(5):
    turtle.forward(50)
    turtle.right(144)
turtle.end_fill()

mygoto(-50,100)
turtle.begin_fill()
for i in range(5):
    turtle.forward(50)
    turtle.right(144)
turtle.end_fill()

mygoto(-70,50)
turtle.begin_fill()
for i in range(5):
    turtle.forward(50)
    turtle.right(144)
turtle.end_fill()

mygoto(-100,0)
turtle.begin_fill()
for i in range(5):
    turtle.forward(50)
    turtle.right(144)
turtle.end_fill()
turtle.done()