Home  >  Article  >  Backend Development  >  How to determine if a list is empty in Python

How to determine if a list is empty in Python

silencement
silencementOriginal
2019-06-27 13:23:137583browse

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

The above is the detailed content of How to determine if a list is empty in Python. For more information, please follow other related articles on the PHP Chinese website!

Statement:
The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn