code: def extract_aiml(path='aiml-en-us-foundation-alice.v1-9'):
      
      path = find_data_path(path) or path
      if os.path.isdir(path):
          paths = os.listdir(path)
          paths = [os.path.join(path, p) for p in paths]
      else:
          zf = zipfile.ZipFile(path)
          paths = []
          for name in zf.namelist():
              if '.hg/' in name:
                  continue
              paths.append(zf.extract(name, path=BIGDATA_PATH))
      return paths
docs: Extract an aiml.zip file if it hasn't been already and return a list of aiml file paths