code: def raw(self):
          r
          doc_list = []
          for doc in self.corpus:
              sent_list = []
              for sent in doc:
                  sent_list.append(' '.join(sent))
              doc_list.append(self.sent_split.join(sent_list))
              del sent_list
          return self.doc_split.join(doc_list)
docs: r"""Return the raw corpus.
  
          This is reconstructed by joining sub-components with the corpus' split
          characters
  
          Returns
          -------
          str
              The raw corpus
  
          Example
          -------
          >>> tqbf = 'The quick brown fox jumped over the lazy dog.\n'
          >>> tqbf += 'And then it slept.\n And the dog ran off.'
          >>> corp = Corpus(tqbf)
          >>> print(corp.raw())
          The quick brown fox jumped over the lazy dog.
          And then it slept.
          And the dog ran off.
          >>> len(corp.raw())
          85