getcode 获取某一只股票的板块

        Arguments:
            code {str} -- 股票代码

        Returns:
            DataStruct -- [description]

def get_code(self, code):
        """getcode 获取某一只股票的板块

        Arguments:
            code {str} -- 股票代码

        Returns:
            DataStruct -- [description]
        """
        # code= [code] if isinstance(code,str) else
        return self.new(self.data.loc[(slice(None), code), :])