output-buffering

Why doesn't print output show up immediately in the terminal when there is no newline at the end? Question: I have a python script that performs a simulation. It takes a fairly long, varying time to run through each iteration, so I print a . after each loop as a way to monitor how fast …

What exactly is file.flush() doing? Question: I found this in the Python documentation for File Objects: flush() does not necessarily write the file’s data to disk. Use flush() followed by os.fsync() to ensure this behavior. So my question is: what exactly is Python’s flush doing? I thought that it forces to write data to the …