玫瑰花

import turtle
import sys

turtle.down()
turtle.pencolor(1,0,0)


def leaf(startx ,starty , direction):
    turtle.up();
    turtle.goto(startx,starty)
    turtle.down()
    for i in range(125):
        if direction ==1:
            turtle.forward(2)
            turtle.right(1)
        else:
            turtle.forward(-2)
            turtle.right(-1)
    turtle.up();
    turtle.goto(startx,starty)
    turtle.down();
    for i in range(130):
        if direction ==1:
            turtle.forward(2)
            turtle.right(-1)
        else:
            turtle.forward(-2)
            turtle.right(1)

leaf(50,0,1)
leaf(0,50,1)
leaf(-50,0,1)
leaf(0,-50,1)

turtle.right(70)
turtle.forward(100)
turtle.done()