with语句

# with代码块执行完毕后，内部会自动关闭并释放文件资源
with open('wuenda.txt','r',encoding='utf-8') as f1, 
        open('test.txt','r',encoding='utf-8') as f2:
    for line in f1:
        print(line)
    for line in f2:
        print(line)