Explanation of sep parameter in Python
The sep parameter in Python primarily formats the printed statements in the output screen. It adds a separator between strings to be printed. When using the print() function, sep is the separator used between multiple values when printing. The default separator is a space (sep=’ ‘).
Python Print Buffering
By default, Python buffers output to standard output (stdout) and standard error (stderr). This can cause output from your code not to show up immediately, which makes debugging harder.
How to Disable Output Buffering in Python
To stop buffering in Python, you can:
- Use the -u command line switch.
- Wrap sys.stdout in an object that flushes after every write.
- Set PYTHONUNBUFFERED environment variable.
For example, you can use: sys.stdout = os.fdopen(sys.stdout.fileno(), 'w', 0).