用内置的库turtle来画一朵花，pyt

# !/usr/bin/env python
# -*- coding:utf-8 -*-
# Author:wxh

def run():
    '''
    主方法
    :return: None
    '''
    import turtle
    length = 150  # 线段长度
    angle = 45    # 角度
    offset_angle = 10  # 每次偏移的角度
    turtle.screensize(800, 800)
    turtle.bgcolor('blue')

    def draw():
        '循环画方框'
        turtle.forward(length)
        turtle.right(angle)
        turtle.forward(length)
        turtle.right(180 - angle)
        turtle.forward(length)
        turtle.right(angle)
        turtle.forward(length)
        turtle.right(180 - angle)
        turtle.right(offset_angle)

    turtle.penup()
    turtle.goto(0, -400)
    turtle.left(90)
    turtle.pendown()
    turtle.pencolor('gold')
    turtle.forward(length * 3)
    turtle.left(180)
    for i in range(36):
        draw()

    turtle.hideturtle()   # 隐藏画笔
    turtle.done()

if __name__ == '__main__':
    run()