16 lines
286 B
Python
16 lines
286 B
Python
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""""
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nonlocal 是一个关键字
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用于在嵌套函数（即内部函数）中修改外层函数（非全局作用域）中的变量。
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"""
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def fun1():
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b = 100
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def fun2():
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nonlocal b
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b = 300
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print(b)
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fun2()
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print(b)
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fun1()
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print('----')
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print(b) |