code: def clean_text(s):
      
      SPACES_RE = re.compile(r'\s+')
      SPECIAL_CHARS_RE = re.compile(r'[^\w\s\.\-\(\)]')
      s = SPACES_RE.sub(' ', s)
      s = s.strip()
      s = SPECIAL_CHARS_RE.sub('', s)
      return s
docs: Removes all cruft from the text.