code: def tokenize_paragraphs(cls, text):
          
          paragraphs = []
          paragraphs_first_pass = text.split('\n')
          for p in paragraphs_first_pass:
              paragraphs_second_pass = re.split('\s{4,}', p)
              paragraphs += paragraphs_second_pass
  
          # Remove empty strings from list
          paragraphs = [p for p in paragraphs if p]
          return paragraphs
docs: Convert an input string into a list of paragraphs.