Python command line parameters sys.argv

The command line parameters are obtained through sys.argv[]. sys.argv[0] is the path of the code file itself, so the parameters start from 1. For example, the setting parameters are: spe

Python code:

import os, sys
os.system(sys.argv[1])

Execute python xxx.py with parameters spe

os.system is used to execute the command line. Therefore, the program will receive the first parameter spe, and then execute spe on the command line. In this way, spe (Python IDE) will be opened.

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