code: def is_suspended(order_book_id, count=1):
      
      dt = Environment.get_instance().calendar_dt.date()
      order_book_id = assure_stock_order_book_id(order_book_id)
      return Environment.get_instance().data_proxy.is_suspended(order_book_id, dt, count)
docs: 判断某只股票是否全天停牌。
  
      :param str order_book_id: 某只股票的代码或股票代码，可传入单只股票的order_book_id, symbol
  
      :param int count: 回溯获取的数据个数。默认为当前能够获取到的最近的数据
  
      :return: count为1时 `bool`; count>1时 `pandas.DataFrame`