9.5. Boolean Logic

9.5.1. Positive and Negative Values

Negative values:

• empty bool() or False

• empty int() or 0

• empty float() or 0.0

• empty complex() or 0+0j or 0.0+0.0j

• empty str() or ''

• empty tuple() or ()

• empty list() or []

• empty set()

• empty frozenset()

• empty dict() or {}

• None

Positive values:

• any other