Falsy values in Python

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Accepted Answer

All of those values are falsy in Python: 0, empty string, empty list, empty dict, None, False, and 0.0 all evaluate to False in a boolean context. None of them pass the 'if v' check, so count is 0. The full list of falsy values: None, False, 0 (int/float/complex), empty sequences ('', [], (), {}), and objects that define __bool__ returning False.