code: def find_classes_in_list(klasses, lst):
      
      if not isinstance(klasses, list):
          klasses = [klasses]
      return tuple(map(lambda klass: find_class_in_list(klass, lst), klasses))
docs: Returns a tuple containing an entry corresponding to each of
      the requested class types, where the entry is either the first
      object instance of that type or None of no such instances are
      available.
      
      Example Usage:
      
      find_classes_in_list(
          [Address, Response],
          [<classes.Response...>, <classes.Amount...>, <classes.Address...>])
          
      Produces: (<classes.Address...>, <classes.Response...>)