code: def and_(self, other):
          
          if not isinstance(other, (Query, QueryCompound)) or other.isNull():
              return self.copy()
          elif not self:
              return other.copy()
          else:
              return orb.QueryCompound(self, other, op=orb.QueryCompound.Op.And)
docs: Creates a new compound query using the 
          <orb.QueryCompound.Op.And> type.
          
          :param      other   <Query> || <orb.QueryCompound>
          
          :return     <orb.QueryCompound>
          
          :sa         __and__
          
          :usage      |>>> from orb import Query as Q
                      |>>> query = (Q('test') != 1).and_((Q('name') == 'Eric')
                      |>>> print query
                      |(test is not 1 and name is Eric)