docs: def drop_literals(self, literals):
          """
          Returns a new list of clampings without the given literals
  
          Parameters
          ----------
          literals : iterable[:class:`caspo.core.literal.Literal`]
              Iterable of literals to be removed from each clamping
  
  
          Returns
          -------
          caspo.core.clamping.ClampingList
              The new list of clampings
          """
          clampings = []
          for clamping in self:
              c = clamping.drop_literals(literals)
              if len(c) > 0:
                  clampings.append(c)
  
          return ClampingList(clampings)