实验8

 1 from turtle import *
 2 
 3 def square(size=50, rgb='yellow'):
 4     '''绘制正方形
 5     参数size指定边长
 6     参数rgb指定画笔颜色
 7     如果没有给参数,采用默认值
 8     '''
 9     pencolor(rgb)
10     for i in range(4):
11         fd(size)
12         left(90)
13 
14 
15 def main():
16     setup(800, 600)
17     speed(0)
18 
19     n = 10
20     for i in range(n):
21         square(80)
22         left(360/n)
23 
24     hideturtle()
25     done()
26 
27 
28 if __name__ == '__main__':
29     main()

 1 from turtle import *
 2 
 3 setup(800, 600)
 4 pencolor('pink')
 5 
 6 n = 10
 7 for i in range(n):
 8     # 绘制一片花瓣
 9     for j in range(2):
10         circle(80, 90)
11         left(90)
12 
13     right(360/n)
14 
15 hideturtle()
16 done()

 1 from turtle import *
 2 
 3 setup(800, 600)
 4 bgcolor('black')
 5 pencolor('white')
 6 speed(0)
 7 
 8 angle = 0
 9 size = 2
10 
11 n = 10