Documented behavior: https://docs.python.org/3.3/reference/expressions.html#binary-arithmetic-operations https://docs.python.org/3.3/reference/expressions.html#

Documented behavior: https://docs.python.org/3.3/reference/expressions.html#binary-arithmetic-operations https://docs.python.org/3.3/reference/expressions.html#binar... Dates to PEP 238 from 2001: https://www.python.org/dev/peps/pep-0238/ https://www.python.org/dev/peps/pep-0238/