我有一段代碼,如下所示:def range_print(n, *args): for i in range(n): func(i)@range_print(n=10)def func(i): print(i)我得到:TypeError Traceback (most recent call last)<ipython-input-4-b13e44263521> in <module> 2 for i in range(n): 3 func(i)----> 4 @range_print(n=10) 5 def func(i): 6 print(i)<ipython-input-4-b13e44263521> in range_print(n, *args) 1 def range_print(n, *args): 2 for i in range(n):----> 3 func(i) 4 @range_print(n=10) 5 def func(i):TypeError: 'NoneType' object is not callable后來我解決了這個(gè)問題,但我不知道有沒有更好的方法?我想使用裝飾器使我的代碼看起來更干凈。def range_print(n, *args): def inner(func): # <----Why do I need this def to load func? for i in range(n): func(i) return inner@range_print(n=10)def func(i): print(i)
如何使用裝飾器引入功能和參數(shù)?
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2022-09-06 15:40:38