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python
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#!/usr/bin/env python3 | |
""" turtle-example-suite: | |
tdemo_yinyang.py | |
Another drawing suitable as a beginner's | |
programming example. | |
The small circles are drawn by the circle | |
command. | |
""" | |
from turtle import * | |
def yin(radius, color1, color2): | |
width(3) | |
color("black", color1) | |
begin_fill() | |
circle(radius/2., 180) | |
circle(radius, 180) | |
left(180) | |
circle(-radius/2., 180) | |
end_fill() | |
left(90) | |
up() | |
forward(radius*0.35) | |
right(90) | |
down() | |
color(color1, color2) | |
begin_fill() | |
circle(radius*0.15) | |
end_fill() | |
left(90) | |
up() | |
backward(radius*0.35) | |
down() | |
left(90) | |
def main(): | |
reset() | |
yin(100, "black", "white") | |
yin(100, "white", "black") | |
ht() | |
up() | |
goto(-100,200) | |
yin(100, "black", "white") | |
yin(100, "white", "black") | |
ht() | |
up() | |
goto(+100,200) | |
yin(100, "black", "white") | |
yin(100, "white", "black") | |
ht() | |
return "Done!" | |
if __name__ == '__main__': | |
main() | |
mainloop() | |
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