# 实验八

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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 = 5
for i in range(n):
square(80)
left(360/n)
a = 5
left(36)
for i in range(a):
square(80)
left(360 / a)

hideturtle()
done()

if __name__ == '__main__':
main()

from turtle import *

setup(800, 600)
pencolor('pink')
speed(0)

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 = 10
for i in range(n):
for j in range(4):
fd(size)
angle += 72
seth(angle)
size += 5

hideturtle()
done()

from turtle import *
from random import random
setup(800,600)
speed(0)

def rect1(w=20,h=40):
rgb=tuple(random() for i in range(3))
color(rgb)

for i in range(2):
fd(w)
left(90)
fd(h)
left(90)
def moveto(x,y):
penup()
goto(x,y)
pendown()
def rect2(w=20,h=40):
rgb=tuple(random() for i in range(3))
color(rgb)

for i in range(2):
fd(w)
right(90)
fd(h)
right(90)
x=20
y=20
for i in range(10):
begin_fill()
rect1()
moveto(x,0)
x+=20
end_fill()
home()
right(180)
for i in range(10):
begin_fill()
rect2()
moveto(-y,0)
y+=20
end_fill()
hideturtle()
done()

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posted @ 2022-06-12 10:35  刘思彤、  阅读(6)  评论(1编辑  收藏  举报