code: def pubdev_4593():
      words = ["A", "AA", "AAA", "AAAA", "AAAAA", "AAAAAA"]
      compare = ["a", "aa", "aaa", "aaaa", "aaaaa", "aaaaaa"]
      words = h2o.H2OFrame(words)
      compare = h2o.H2OFrame(compare)
      dist = words.strdistance(compare, "lv")
  
      for row in range(0, dist[0].nrows):
          assert (
              dist[row, 0] == 0
          ), "Levenshtein outcome must be exactly zero"
  
label_desc: Use image node_id 1 for calling a global function with example usage: pubdev_4593() without return types