class StockInfo(object):
    """股票的基本信息

    Attributes:
        code: 股票代码
        name: 股票名称
    """

    def __init__(self, code):
        """构造函数"""
        self.code = code
        self.name = "unknown"


def main():
    pass

if __name__ == "__main__":
    main()
