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How to determine if a list is empty in Python

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2019-06-27 13:23:137602browse

How to determine if a list is empty in Python

There is a need to determine whether the list is empty. The method is very simple, for example:

The empty list is equal to False,

then directly if a is Determine the command that needs to be executed when the list is not empty

a = []
if a:
 COMMAND

Similarly, len(a) = 0

When a is not empty, execute Command

a = []
 
if len(a):
 COMMAND

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