parameters: (self)
return_statement: return list(self._planets.values())
docstring: :return: List of all planets
          :rtype: list[entity.Planet]
docstring_summary: :return: List of all planets
          :rtype: list[entity.Planet]
docstring_tokens: : return : List of all planets : rtype : list [ entity . Planet ]
function: def all_planets(self):
          """
          :return: List of all planets
          :rtype: list[entity.Planet]
          """
          return list(self._planets.values())
function_tokens: def all_planets ( self ) : return list ( self . _planets . values ( ) )