turtle的文档：https://docs.python.org/3/library/turtle.html
用Python的turtle库绘图是很简单,画了一个玫瑰花
'''
@author: Feng Zhichuang
'''
import turtle# 设置初始位置
turtle.penup()
turtle.left(90)
turtle.fd(200)
turtle.pendown()
turtle.right(90)# 花蕊
turtle.fillcolor("red")
turtle.begin_fill()
turtle.circle(10,180)
turtle.circle(25,110)
turtle.left(50)
turtle.circle(60,45)
turtle.circle(20,170)
turtle.right(24)
turtle.fd(30)
turtle.left(10)
turtle.circle(30,110)
turtle.fd(20)
turtle.left(40)
turtle.circle(90,70)
turtle.circle(30,150)
turtle.right(30)
turtle.fd(15)
turtle.circle(80,90)
turtle.left(15)
turtle.fd(45)
turtle.right(165)
turtle.fd(20)
turtle.left(155)
turtle.circle(150,80)
turtle.left(50)
turtle.circle(150,90)
turtle.end_fill()# 花瓣1
turtle.left(150)
turtle.circle(-90,70)
turtle.left(20)
turtle.circle(75,105)
turtle.setheading(60)
turtle.circle(80,98)
turtle.circle(-90,40)# 花瓣2
turtle.left(180)
turtle.circle(90,40)
turtle.circle(-80,98)
turtle.setheading(-83)# 叶子1
turtle.fd(30)
turtle.left(90)
turtle.fd(25)
turtle.left(45)
turtle.fillcolor("green")
turtle.begin_fill()
turtle.circle(-80,90)
turtle.right(90)
turtle.circle(-80,90)
turtle.end_fill()turtle.right(135)
turtle.fd(60)
turtle.left(180)
turtle.fd(85)
turtle.left(90)
turtle.fd(80)# 叶子2
turtle.right(90)
turtle.right(45)
turtle.fillcolor("green")
turtle.begin_fill()
turtle.circle(80,90)
turtle.left(90)
turtle.circle(80,90)
turtle.end_fill()turtle.left(135)
turtle.fd(60)
turtle.left(180)
turtle.fd(60)
turtle.right(90)
turtle.circle(200,60)
