operator.itemgetter(item) operator.itemgetter(*items) Return a callable object that fetches item from its

operator.__rshift__(a, b) Return a shifted right by b.

@functools.lru_cache(maxsize=128, typed=False) Decorator to wrap a function with a memoizing callable that saves up to the maxsize

classmethod chain.from_iterable(iterable) Alternate constructor for chain(). Gets chained inputs from a single

operator.invert(obj) operator.__inv__(obj) operator.__invert__(obj) Return

operator.__inv__(obj) operator.__invert__(obj) Return the bitwise inverse of the number obj. This is equivalent

operator.rshift(a, b) operator.__rshift__(a, b) Return a shifted right by b.

@functools.wraps(wrapped, assigned=WRAPPER_ASSIGNMENTS, updated=WRAPPER_UPDATES) This is a convenience function for invoking

operator.__imatmul__(a, b) a = imatmul(a, b) is equivalent to a @= b.

operator.lt(a, b) operator.le(a, b) operator.eq(a, b) operator