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Editorial Team
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Asked: 2026-05-22T03:33:05+00:00

Is there a function in Python that checks if the returned value is None

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Is there a function in Python that checks if the returned value is None and if it is, allows you to set it to another value like the IFNULL function in MySQL?

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1 Answer

  1. Editorial Team

    Not really, since you can’t rebind arguments.

    if foo is None:
  foo = 42

    or

    def ifnull(var, val):
  if var is None:
    return val
  return var

foo = ifnull(foo, 42)
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