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This article introduces the relevant knowledge of "how to understand the argparse library in python". 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!

1. When using complex parameters or multiple file names in the program, it is recommended to use the argparse library.

2. Deal with command line parameters in a systematic way, so as to write user-friendly command line programs. The Python standard library argparse is also used to parse command line arguments.

Example

Operating without parameters this script does not display anything to stdout. However, if you use the help or h option, the usage information of the script is prompted with information.

Usage: scripy_3.py [- h] optional arguments:-h,-- help show this help message and exit "how to understand the argparse Library in python" ends here, thank you for 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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