code: def __replace_nouns(sentence, counts):
      
  
      if sentence is not None:
          while sentence.find('#NOUN') != -1:
              sentence = sentence.replace('#NOUN', str(__get_noun(counts)), 1)
  
              if sentence.find('#NOUN') == -1:
                  return sentence
  
          return sentence
      else:
          return sentence
docs: Lets find and replace all instances of #NOUN
      :param _sentence:
      :param counts: