code: def hash_2(st):
      all_letters = [0] * 26
      ord_a = 97  # ord('a')
      for c in st:
          all_letters[ord(c) - ord_a] += 1
      # or you can use a string as hash, '<some non-digit character>'.join(all_letters), example: ' '.join(all_letters)
      return tuple(all_letters)
  
label_desc: Use image node_id 3 for calling a global function with example usage: hash_2(st) and returns: tuple