退出时自动关闭打开的文件？

Question

如何让python在播放器尝试退出时自动关闭打开的文件？

这是我到目前为止有：

hai = open('hai.txt','a') 
quit = 0 
while quit == 0: 
    hai.write('SPAM') 
hai.close() 

Answer 1

使用

with open("file.txt","a") as f: 
    #Do things with f