def createCounter():
sum = 0
def counter():
nonlocal sum #nonlocal用来声明外层的局部变量sum
sum = sum + 1
return sum
return counter
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陳大發的小红豆
def createCounter():
sum = 0
def counter():
nonlocal sum #nonlocal用来声明外层的局部变量sum
sum = sum + 1
return sum
return counter