text: def merge_the_tools(string, k):
      ts = [string[i:i+k] for i in range(0, len(string), k)]
      us = []
      for t in ts:
          new_string = ''
          for letter in t:
              if letter not in new_string:
                  new_string += letter
          us.append(new_string)
      for word in us: 
          print(word)
  