def issubset(self, other):
        self._binary_sanity_check(other)
        if len(self) > len(other):  # Fast check for obvious cases
            return False
        for elt in ifilterfalse(other._data.__contains__, self):
            return False
        return True
Report whether another set contains this set.
dataset/ETHPy150Open azoft-dev-team/imagrium/env/Lib/sets.py/BaseSet.issubset