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This article introduces the knowledge of "how to use Python sys.exit ([arg])". In the operation of actual cases, many people will encounter such a dilemma, so let the editor lead you to learn how to deal with these situations. I hope you can read it carefully and be able to achieve something!

Function description:

Exit the program, passing in the parameter 0 means normal exit. A non-0 parameter passed in indicates an abnormal exit. The incoming string can be used to print error messages.

Examples of code experiments:

Microsoft Windows [version 10.0.18363.1256] (c) 2019 Microsoft Corporation. All rights reserved. C:\ Users\ chenxuqi > conda activate ssd4pytorch2_2_0 (ssd4pytorch2_2_0) C:\ Users\ chenxuqi > pythonPython 3.7.7 (default, May 6 2020, 11:45:54) [MSC v.1916 64 bit (AMD64)]:: Anaconda, Inc. On win32Type "help", "copyright", "credits" or "license" for more information. > > import sys > sys.exit (0) (ssd4pytorch2_2_0) C:\ Users\ chenxuqi > pythonPython 3.7.7 (default, May 6 2020 11:45:54) [MSC v.1916 64 bit (AMD64)]:: Anaconda, Inc. On win32Type "help", "copyright", "credits" or "license" for more information. > > import sys > sys.exit (1) (ssd4pytorch2_2_0) C:\ Users\ chenxuqi > pythonPython 3.7.7 (default, May 6 2020, 11:45:54) [MSC v.1916 64 bit (AMD64)]: Anaconda, Inc. On win32Type "help", "copyright" "credits" or "license" for more information. > > import sys > sys.exit ('program error, early exit, pockmarked Lin!') Program error, early exit, pockmarked Lin!! (ssd4pytorch2_2_0) C:\ Users\ chenxuqi > (ssd4pytorch2_2_0) C:\ Users\ chenxuqi > pythonPython 3.7.7 (default, May 6 2020, 11:45:54) [MSC v.1916 64 bit (AMD64)]:: Anaconda, Inc. On win32Type "help", "copyright" "credits" or "license" for more information. > > import sys > sys.exit ("some error message") some error message (ssd4pytorch2_2_0) C:\ Users\ chenxuqi > (ssd4pytorch2_2_0) C:\ Users\ chenxuqi > (ssd4pytorch2_2_0) C:\ Users\ chenxuqi > "how to use Python sys.exit ([arg])" ends here. Thank you for your reading. If you want to know more about the industry, you can follow the website, the editor will output more high-quality practical articles for you!

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