code: def _repeat_word(word, N, word_space=" "):
      
      message = (word_space + word) * N
      message = message[len(word_space):]
      return message
docs: Return a repeated string
  
      >>> word = "PARIS"
  
      >>> _repeat_word(word, 5)
      'PARIS PARIS PARIS PARIS PARIS'
  
      >>> _repeat_word(word, 5, word_space="")
      'PARISPARISPARISPARISPARIS'