operator.length_hint(obj, default=0) Return an estimated length for the object o. First try to return its actual length
operator.__ifloordiv__(a, b) a = ifloordiv(a, b) is equivalent to a //= b.
itertools.product(*iterables, repeat=1) Cartesian product of input iterables. Roughly equivalent
operator.__pos__(obj) Return obj positive (+obj).
operator.__mul__(a, b) Return a * b, for a and b numbers.
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
itertools.zip_longest(*iterables, fillvalue=None) Make an iterator that aggregates elements from each of the iterables. If the
operator.inv(obj) operator.invert(obj) operator.__inv__(obj) operator
itertools.chain(*iterables) Make an iterator that returns elements from the first iterable until it is exhausted, then proceeds
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