docs: def intersection(self, other):
          """Returns a MOC representing the intersection with another MOC.
  
          >>> p = MOC(2, (3, 4, 5))
          >>> q = MOC(2, (4, 5, 6))
          >>> p.intersection(q)
          <MOC: [(2, [4, 5])]>
          """
  
          inter = MOC()
  
          for (order, cells) in other:
              for cell in cells:
                  for i in self._compare_operation(order, cell, True, 'inter'):
                      inter.add(*i)
  
          return inter