解析文本文件-work

with open(address+'/fund.txt', encoding='gb2312', errors='ignore') as f:
    f_read = f.readlines()
    use_row = list()
    for row, line in enumerate(f_read):
        if '累计余额' in line:
            use_row.append(row+3)

    sapbalance = f_read[use_row[-1]].strip().split()[-2]