退出时自动关闭打开的文件？

Question

如何在播放器尝试退出时自动关闭打开的文件？

这是我到目前为止所做的：

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