19 lines
260 B
Python
19 lines
260 B
Python
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def decorate(func):
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def _inner(a):
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print('in')
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a = func(a)
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print('out')
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return a
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return _inner
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def foo():
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@decorate
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def bar(a):
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if a <= 0:
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return 0
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return bar(a-1)
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bar(2)
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foo()
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