How to Force Immediate Output from Python's `print` Function?

Force Output Flushing in Python's Print Function

How can you ensure that Python's print function displays output immediately rather than buffering it?

Solution:

In Python 3, the print function includes a flush argument. By setting this argument to True, you force the output to be immediately flushed to the screen:

print("Hello, World!", flush=True)

For Python 2, you need to manually flush the standard output buffer after each print statement:

import sys
sys.stdout.flush()

This method is particularly useful when you want specific output to appear immediately, even if it's not followed by a newline character. Note that by default, print writes to sys.stdout, which is the standard output file object.

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