all_are_unequal

mathtools.all_are_unequal(argument)

Is true when argument is an iterable collection of unequal items. Otherwise false.

>>> mathtools.all_are_unequal([1, 2, 3, 4, 9])
True
>>> mathtools.all_are_unequal(17)
False

Is true when argument is empty:

>>> mathtools.all_are_unequal([])
True

Returns true or false.