code: def load_pretrained_word2vec(infile):
      
      if isinstance(infile, str):
          infile = open(infile)
  
      word2vec_list = {}
      for idx, line in enumerate(infile):
          if idx == 0:
              vocab_size, dim = line.strip().split()
          else:
              tks = line.strip().split()
              word2vec_list[tks[0]] = map(float, tks[1:])
  
      return word2vec_list
docs: Load the pre-trained word2vec from file.