Adding Arguments
Let's learn how to add arguments and their types.
We'll cover the following...
Arguments can be of multiple types. Here we are going to discuss required and optional arguments.
Required and optional arguments
Let’s write some code that adds three new arguments that our parser can understand. We will add three arguments; one of them is required, and the other two are not. We’ll also look at adding default and a required type. Example code is given below.
Let’s test multiple commands in the below terminal. Start with:
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python3 arg_demo2.py
The output would be:
usage: arg_demo2.py [-h] -x X [-y Y] [-z Z]
arg_demo2.py: error: the following