# 实验8

from turtle import *

def square(size=50, rgb=(0.86,0.6,0)):
'''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
speed(0)
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(5):
fd(size)
angle += 72
seth(angle)
size += 5

hideturtle()
done()

from turtle import *
from random import random

def move_to(a, b):
penup()
goto(a, b)
pendown()

def get_rgb():
"""获取一个不重复的rgb三元组"""
ls = []
rgb = tuple(random() for i in range(3))
while rgb in ls:
rgb = tuple(random() for i in range(3))
ls.append(rgb)
return rgb

def draw_rectangle():
"""画一个20*70的矩形"""
begin_fill()
rgb = get_rgb()
color(rgb, rgb)
for i in range(2):
fd(20)
left(90)
fd(70)
left(90)
end_fill()

setup(800, 600)

speed(0)

for i in range(20):
move_to(-20*10+20*i, 0)
draw_rectangle()

ht()
done()

posted @ 2022-06-14 00:59  严成娜  阅读(6)  评论(3编辑  收藏  举报