函数的定义与使用

port turtle
#画一个五角星

turtle.setup(600,400,0,0)


turtle.bgcolor(‘red‘)
turtle.pencolor(‘yellow‘)
turtle.fillcolor(‘yellow‘)


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

def draw5jx(r):
    turtle.begin_fill()
    for i in range(5):
        turtle.forward(r)
        turtle.right(144)
    turtle.end_fill()

mygoto(-250,100)



mygoto(-100,125)



mygoto(-250,100)
draw5jx(100)
mygoto(-100,150)
draw5jx(35)
mygoto(-50,100)
draw5jx(35)
mygoto(-75,50)
draw5jx(35)
mygoto(-120,0)
draw5jx(35)

turtle.hideturtle()
turtle.done()