code: def paragraph(
              self,
              nb_sentences=3,
              variable_nb_sentences=True,
              ext_word_list=None):
          
          if nb_sentences <= 0:
              return ''
  
          if variable_nb_sentences:
              nb_sentences = self.randomize_nb_elements(nb_sentences, min=1)
  
          para = self.word_connector.join(self.sentences(
              nb_sentences, ext_word_list=ext_word_list,
          ))
  
          return para
docs: :returns: A single paragraph. For example: 'Sapiente sunt omnis. Ut
              pariatur ad autem ducimus et. Voluptas rem voluptas sint modi dolorem amet.'
  
          Keyword arguments:
          :param nb_sentences: around how many sentences the paragraph should contain
          :param variable_nb_sentences: set to false if you want exactly ``nb``
              sentences returned, otherwise the result may include a number of
              sentences of ``nb`` +/-40% (with a minimum of 1)
          :param ext_word_list: a list of words you would like to have instead of
              'Lorem ipsum'.
  
          :rtype: str