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Command Line Arguments In Python

In this article, we will discuss command-line arguments in Python.

What Are Command Line Arguments?

The command line arguments are the number of arguments specified after the program name when the program is executed using the command line.

Consider an example where you are executing the program using the following command in the command prompt.

python gyan.py "A", "B"

Here, "A" and "B" are command line arguments.

Accessing Command Line Arguments In Code

You can use sys.argv to access command line arguments. sys.argv is the list of parameters. By default, sys.argv[0] is the name of the program.

Example

Consider the following code: -

import sys

if len(sys.argv) > 0:
   print(sys.argv)

Now execute the above code using the command line arguments.

Picture showing the output of command line arguments in python

Posted By -	Karan Gupta

Posted On -	Sunday, September 12, 2021

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