Sometimes, we want to pass a list as a command-line argument with Python argparse.
In this article, we’ll look at how to pass a list as a command-line argument with Python argparse.
How to pass a list as a command-line argument with Python argparse?
To pass a list as a command-line argument with Python argparse, we can use the add_argument to add the argument.
For instance, we write
parser.add_argument('-l','--list', nargs='+', help='<Required> Set flag', required=True)
to call add_argument with the argument flag’s short and long forms.
We set nargs to '+' to let us take one or more argument for the flag.
And then we set help to a string with the help text for the flag.
Conclusion
To pass a list as a command-line argument with Python argparse, we can use the add_argument to add the argument.
