new_contents: # vim: fileencoding=utf-8
  
  
  def main():
      print('## LIST ##')
      list = ['aa', 'bb', 'cc', 'dd', 'ee']
      print(list)
      list.append(1)
      print(list)
      print(list[1:3])
      print('cc' in list)
  
      print('-' * 30)
  
      print('## TUPLE ##')
      tuple = ('AA', 'BB', 'CC')
      print(tuple)
      print('cc' in list)
  
      print('-' * 30)
  
      print('## DICT ##')
      dict = { 'spam': 'aaaaa', 'ham': 500}
      print(dict)
      print(len(dict))
      print('ham' in dict)
  
      print('-' * 30)
  
      print('## SET ##')
      set = {'aa', 'bb', 'cc', 'aa'}
      print(set)
      print('aa' in set)
  
  
  if __name__ == '__main__':
      main()
  
subject: add data type sample