Thank you so much for the answer, now it makes sense :D
eryk sun 于2019年8月15日周四 上午12:27写道：
> On 8/13/19, Windson Yang wrote:
> > After my investigation, I found Since Python maintains its own buffer
> when
> > read/write files, the build-in python open() function will call the
> open()
> > syste
On 8/13/19, Windson Yang wrote:
> After my investigation, I found Since Python maintains its own buffer when
> read/write files, the build-in python open() function will call the open()
> system call instead of calling standard io fopen() for caching. So when we
> read/write a file in Python, it
