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Editorial Team
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Asked: 2026-05-31T13:37:06+00:00

Whenever I run a python script, a new line is also printed at the

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Whenever I run a python script, a new line is also printed at the end.

The only way I can stop this is by using posix._exit(0) at the end to avoid Python’s cleanup code. Is there a more portable way?

(Sorry if this is a repeat question/seemingly obvious to answer. Unfortunately, I’ve only seen questions about printing without a newline)

Example script:

import os
#nothing actually done

Non-portable solution:

import os,posix
#nothing actually done
posix._exit()

OS: Windows
Tested with: Python in cygwin, native PyPy

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1 Answer

  1. Editorial Team

    What you describe is not normal python behavior, so something is probably odd about your setup. Try to debug it by stripping down what python does: Call python with -E (ignore environment options) and/or -S (don’t load site). If that doesn’t help, look at the other python invocation options for ideas, or try using a debugger.

    Since posix._exit(0), it’s likely that something (in site?) is setting an exit handler that generates the newline. Look up sys.exitfunc and the module atexit, and check whether they’re in use.

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