# 实验8

from turtle import *

def square(size=50, rgb='orange'):
'''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)
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

n = 20
for i in range(n):
for j in range(4):
fd(size)
angle += 72
seth(angle)
size += 5

hideturtle()
done()

def rect():
rgb = tuple(random() for i in range(3))
color(rgb)
begin_fill()
for i in range(2):
fd(20)
left(90)
fd(60)
left(90)
end_fill()

def main():
goto(-11*20, 0)
for i in range(20):
rect()
fd(20)

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

hideturtle()
done()

posted @ 2022-06-13 17:35  h_ln  阅读(9)  评论(1编辑  收藏  举报