画太极图中间两个圈没颜色

Question

代码如下
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(200,"black","white")
yin(200,"white","black")
ht()
return "Done!"

main()

Answer 1

代码中最后一个end_fill语句，漏写了一对括号，改写成:
end_fill()即可。
如有帮助请采纳。