深市代码分类

    Arguments:
        code {[type]} -- [description]

    Returns:
        [type] -- [description]

def for_sz(code):
    """深市代码分类

    Arguments:
        code {[type]} -- [description]

    Returns:
        [type] -- [description]
    """

    if str(code)[0:2] in ['00', '30', '02']:
        return 'stock_cn'
    elif str(code)[0:2] in ['39']:
        return 'index_cn'
    elif str(code)[0:2] in ['15']:
        return 'etf_cn'
    elif str(code)[0:2] in ['10', '11', '12', '13']:
        # 10xxxx 国债现货
        # 11xxxx 债券
        # 12xxxx 可转换债券
        # 12xxxx 国债回购
        return 'bond_cn'

    elif str(code)[0:2] in ['20']:
        return 'stockB_cn'
    else:
        return 'undefined'