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What is best way to check if a list is empty in Python?
The best way is to use not operator on list object. If list is empty it returns true, otherwise false.
>>> L1=[] >>> not L1 True >>> L1=[1,2] >>> not L1 False
Another method is to check if length of list is zero which means it is empty
>>> L1=[] >>> len(L1) 0 >>> L1=[1,2] >>> len(L1) 2
Updated on: 16-Jun-2020
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