[英]How to write a cleaner version of "try catch" block in Python?
我有這個代碼:
def try_(things):
try:
return things
except:
return None
但我希望這些調用產生以下結果:
try_([1,2,3][2]) -> 3
try_([1,2,3][4]) -> Error (But I want it to return None)
您需要將索引作為參數傳入:
def try_(things, index):
try:
return things[index]
except:
return None
像這樣調用它:
try_([1,2,3], 2) -> 3
try_([1,2,3], 4) -> None
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