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如下：

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#1 Created at ... [Delete] [Delete and Lock User]

def createCounter():

    x=0

    def counter():

        nonlocal x

        x=x+1

        return x

    return counter

f1=createCounter()

print(f1(),f1(),f1(),f1(),f1())

f2=createCounter()

print(f2(),f2(),f2(),f2(),f2())

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