python argparse multiple values

Published: 05 December 2023
on channel: pyGPT

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Argparse is a Python module for parsing command-line arguments. It makes it easy to write user-friendly command-line interfaces for your Python scripts. In this tutorial, we'll focus on how to use argparse to handle multiple values as command-line arguments.
Argparse allows you to define the arguments your script should accept and then parses the command-line arguments provided by the user. It provides a flexible and powerful way to handle various types of arguments, including multiple values.
Argparse is part of the Python standard library, so you don't need to install it separately. You can simply import it in your script.
Let's start with a simple example of a script that takes a single value as an argument:
Save this script as single_arg_script.py and run it from the command line:
This script takes a single integer argument and prints the provided value.
Now, let's modify the script to accept multiple values. We can use the nargs parameter in add_argument to specify the number of arguments an option should consume.
Save this script as multiple_values_script.py and run it from the command line:
This script takes multiple integer arguments and prints the provided values as a list.
Argparse is a powerful tool for handling command-line arguments in Python scripts. By using the nargs parameter, you can easily extend your scripts to accept multiple values for a single option. This tutorial covered the basics of argparse and demonstrated how to handle multiple values effectively. Feel free to explore more advanced features of argparse for even greater flexibility in handling command-line arguments.
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