code: def remove(self, *l):
          '''remove inner from outer
  
          Args:
              *l element that is passes into Inner init
          '''
          for a in flatten(l):
              self._remove([self.Inner(a)], self.lf remove(self, *l):
          '''remove inner from outer
  
          Args:
              *l element that is passes into Inner init
          '''
          for a in flatten(l):
              self._remove([self.Inner(a)], self.l)
docs: remove inner from outer
  
          Args:
              *l element that is passes into Inner init