operator.is_not(a, b) Return a is not b. Tests object identity.

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

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

operator.imod(a, b) operator.__imod__(a, b) a = imod(a, b) is equivalent to a %= b.

operator.__ilshift__(a, b) a = ilshift(a, b) is equivalent to a <<= b.

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

@functools.total_ordering Given a class defining one or more rich comparison ordering methods, this class decorator supplies

operator.__iadd__(a, b) a = iadd(a, b) is equivalent to a += b.

operator.__mod__(a, b) Return a % b.

itertools.combinations_with_replacement(iterable, r) Return r length subsequences of elements from the input iterable