code: def chomp(text, max_len=280, split=None):
      '''
      Shorten a string so that it fits under max_len, splitting it at 'split'.
      Not guaranteed to return a string under max_len, as it may not be possible
  
      Args:
          text (str): String to shorten
          max_len (int): maximum length. default 140
          split (str): strings to split on (default is common punctuation: "-;,.")
      '''
      split = split or '—;,.'
      while length(text) > max_len:
          try:
              text = re.split(r'[' + split + ']', text[::-1], 1)[1][::-1]
          except IndexError:
              return text
  
      return texf chomp(text, max_len=280, split=None):
      '''
      Shorten a string so that it fits under max_len, splitting it at 'split'.
      Not guaranteed to return a string under max_len, as it may not be possible
  
      Args:
          text (str): String to shorten
          max_len (int): maximum length. default 140
          split (str): strings to split on (default is common punctuation: "-;,.")
      '''
      split = split or '—;,.'
      while length(text) > max_len:
          try:
              text = re.split(r'[' + split + ']', text[::-1], 1)[1][::-1]
          except IndexError:
              return text
  
      return text
docs: Shorten a string so that it fits under max_len, splitting it at 'split'.
      Not guaranteed to return a string under max_len, as it may not be possible
  
      Args:
          text (str): String to shorten
          max_len (int): maximum length. default 140
          split (str): strings to split on (default is common punctuation: "-;,.")