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June 13, 2019 23:18
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Python decorators | passing functions as arguments
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| def f(func = None): | |
| if func != None: | |
| func() | |
| print('executing f') | |
| def g(): | |
| print('executing g') | |
| return g | |
| g = f() | |
| g() | |
| f(g) | |
| # executing f | |
| # executing g | |
| # executing g | |
| # executing f | |
| def h(f): | |
| def wrap_f(): | |
| print('executing h') | |
| f() | |
| print('h was executed') | |
| return wrap_f | |
| @h | |
| def t(): | |
| print('executing t') | |
| t() | |
| # executing h | |
| # executing t | |
| # h was executed |
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