(self, other)
return self.is_subset(other)
Alias for :meth:`is_subset()`
Alias for :meth:`is_subset()`
Alias for : meth : is_subset ()
def issubset(self, other):
        """
        Alias for :meth:`is_subset()`
        """
        return self.is_subset(other)
def issubset ( self , other ) : return self . is_subset ( other )