from turtle import *

def square(size=50, rgb='pink'):
'''绘制正方形
参数size指定边长
参数rgb指定画笔颜色
如果没有给参数，采用默认值
'''
pencolor(rgb)
for i in range(4):
fd(size)
left(90)

def main():
setup(800, 600)
speed(0)

n = 10
for i in range(n):
square(80,'orange')
left(360/n)

hideturtle()
done()

if __name__ == '__main__':
main()

from turtle import *

setup(800, 600)
pencolor('pink')

n = 10
for i in range(n):
# 绘制一片花瓣
for j in range(2):
circle(80, 90)
left(90)

right(360/n)

hideturtle()
done()

from turtle import *

setup(800, 600)
bgcolor('black')
pencolor('white')
speed(0)

angle = 0
size = 2
lt(60)

n = 10
for i in range(n):
for j in range(5):
fd(size)
angle += 360/5
seth(angle)
size += 5

hideturtle()
done()

from random import random
from turtle import*
setup(800,600)
speed(0)
def rect(x=10,y=50,rgb='black'):
rgb=tuple(random() for i in range(3))
color(rgb)
for i in range(1,5):
if i%2==1:
fd(10)
else:
fd(50)
lt(90)
for i in range(20):
penup()
goto(-100+i*10,0)
pendown()
begin_fill()
rect()
end_fill()
hideturtle()
done()