code: def to_string(self, other_separation_char=None):
          
          separation_char = self._separation_char
          if other_separation_char is not None:
              separation_char = other_separation_char
          return separation_char.join(self._locations_list)
docs: String representation of :class:`LocationDescriptor` object.
  
          Args:
              other_separation_char: If needed, another separator character can be used.
  
          Returns: