Python turtle画玫瑰

#-*- coding: utf-8
from turtle import *
 
setup(600,800,0,0)
speed(0)
penup()
seth(90)
fd(340)
seth(0)
pendown()
 
speed(8)
begin_fill()
fillcolor('red')
circle(50,30)
 
for i in range(10):
    fd(1)
    left(10)
 
circle(40,40)
 
for i in range(6):
    fd(1)
    left(3)
 
circle(80,40)
 
for i in range(20):
    fd(0.5)
    left(5)
 
circle(80,45)
 
for i in range(10):
    fd(2)
    left(1)
     
circle(80,25)
 
for i in range(20):
    fd(1)
    left(4)
 
circle(50,50)
 
circle(120,55)
 
speed(0)
 
seth(-90)
fd(70)
 
right(150)
fd(20)
 
left(140)
circle(140,90)
 
left(30)
circle(160,100)
 
left(130)
fd(25)
 
penup()
right(150)
circle(40,80)
pendown()
 
left(115)
fd(60)
 
penup()
left(180)
fd(60)
pendown()
 
end_fill()
 
right(120)
circle(-50,50)
circle(-20,90)
 
speed(1)
fd(75)
 
speed(0)
circle(90,110)
 
penup()
left(162)
fd(185)
left(170)
pendown()
circle(200,10)
circle(100,40)
circle(-52,115)
left(20)
circle(100,20)
circle(300,20)
speed(1)
fd(250)
 
penup()
speed(0)
left(180)
fd(250)
circle(-300,7)
right(80)
circle(200,5)
pendown()
 
left(60)
begin_fill()
fillcolor('green')
circle(-80,100)
right(90)
fd(10)
left(20)
circle(-63,127)
end_fill()

speed(8) 
penup()
left(50)
fd(20)
left(180)

speed(9) 
pendown()
circle(200,25)
 
penup()
right(150)
 
fd(180)

speed(9)
right(40)
pendown()
begin_fill()
fillcolor('green')
circle(-100,80)
right(150)
fd(10)
left(60)
circle(-80,98)
end_fill()
 
penup()
left(60)
fd(13)
left(180)
 
pendown()
speed(1)
circle(-200,23)
hideturtle()
 
exitonclick()