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by robinhouston
700 days ago
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The trouble with using this convention (which I also like) in Python code is that sooner or later one wants to name a pair of lists 'as' and 'bs', which then causes a syntax error because 'as' is a keyword in Python. There is a similar problem with 'is' and 'js'. |
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Very short variable names (including "ns" and "n") are always some kind of disturbance when reading code, especially when the variable lasts longer than one screen of code – one has to memorize the meaning. They sometimes have a point, e.g. in mathematical code like this one. But variables like "l" and "O" are bad for a further reason, as they can not easily be distinguished from the numbers. See also the Python style guide: https://peps.python.org/pep-0008/#names-to-avoid