itertools.permutations(iterable, r=None) Return successive r length permutations of elements in the iterable

operator.__or__(a, b) Return the bitwise or of a and b.

operator.inv(obj) operator.invert(obj) operator.__inv__(obj) operator

operator.__mul__(a, b) Return a * b, for a and b numbers.

operator.xor(a, b) operator.__xor__(a, b) Return the bitwise exclusive or of a and b.

operator.__eq__(a, b) operator.__ne__(a, b) operator.__ge__(a, b) operator

operator.__index__(a) Return a converted to an integer. Equivalent to a.__index__().

operator.__pos__(obj) Return obj positive (+obj).

itertools.product(*iterables, repeat=1) Cartesian product of input iterables. Roughly equivalent

operator.ipow(a, b) operator.__ipow__(a, b) a = ipow(a, b) is equivalent to a **= b.