1 ,例子 :
- 代碼 :
def closure():
a=0
def jia():
nonlocal a
a=a+1
def jian():
nonlocal a
a=a-1
def show():
print(a)
return jia,jian,show
if __name__ == '__main__':
jia,jian,show=closure()
jia()
show()
jian()
show()
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