python (3.11.7)
1 #!/usr/bin/env python3
2 """ turtle-example-suite:
3
4 tdemo_yinyang.py
5
6 Another drawing suitable as a beginner's
7 programming example.
8
9 The small circles are drawn by the circle
10 command.
11
12 """
13
14 from turtle import *
15
16 def yin(radius, color1, color2):
17 width(3)
18 color("black", color1)
19 begin_fill()
20 circle(radius/2., 180)
21 circle(radius, 180)
22 left(180)
23 circle(-radius/2., 180)
24 end_fill()
25 left(90)
26 up()
27 forward(radius*0.35)
28 right(90)
29 down()
30 color(color1, color2)
31 begin_fill()
32 circle(radius*0.15)
33 end_fill()
34 left(90)
35 up()
36 backward(radius*0.35)
37 down()
38 left(90)
39
40 def main():
41 reset()
42 yin(200, "black", "white")
43 yin(200, "white", "black")
44 ht()
45 return "Done!"
46
47 if __name__ == '__main__':
48 main()
49 mainloop()
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