code: def find_list_indexes(list_, items):
      
      index_lookup = make_index_lookup(list_)
      index_list = [index_lookup.get(item) for item in items]
      # index_list = [listfind(list_, item) for item in items]
      return index_list
docs: Args:
          list_ (list): list of items to be searched
          items (list): list of items to find
  
      Example:
          >>> # ENABLE_DOCTEST
          >>> from utool.util_list import *  # NOQA
          >>> list_ = ['a', 'b', 'c']
          >>> items = ['d', 'c', 'b', 'f']
          >>> index_list = find_list_indexes(list_, items)
          >>> result = ('index_list = %r' % (index_list,))
          >>> print(result)
          index_list = [None, 2, 1, None]