5 ms·
Ideally you'd use `if len(x) == 0`, which handles lists but also list-like things like tuples, while not letting None and False through.
by bobbylarrybobby 4y ago
Ideally you'd use `if len(x) == 0`, which handles lists but also list-like things like tuples, while not letting None and False through.
- scrollaway 4y agolen will count the object whereas “not” will only check for truthiness. This can matter in cases where counting takes significantly longer; for example, a sql query set.