code: def concatenate_aiml(path='aiml-en-us-foundation-alice.v1-9.zip', outfile='aiml-en-us-foundation-alice.v1-9.aiml'):
      
      path = find_data_path(path) or path
  
      zf = zipfile.ZipFile(path)
      for name in zf.namelist():
          if not name.lower().endswith('.aiml'):
              continue
          with zf.open(name) as fin:
              happyending = '#!*@!!BAD'
              for i, line in enumerate(fin):
                  try:
                      line = line.decode('utf-8').strip()
                  except UnicodeDecodeError:
                      line = line.decode('ISO-8859-1').strip()
                  if line.lower().startswith('</aiml>') or line.lower().endswith('</aiml>'):
                      happyending = (i, line)
                      break
                  else:
                      pass
  
              if happyending != (i, line):
                  print('Invalid AIML format: {}\nLast line (line number {}) was: {}\nexpected "</aiml>"'.format(
                      name, i, line))
docs: Strip trailing </aiml> tag and concatenate all valid AIML files found in the ZIP.