Python3 argparse switch and file

Title: Getting Started with Python 3 argparse: A Comprehensive Tutorial with Code Examples
Introduction:
Python's argparse module provides a powerful and flexible way to parse command-line arguments in your scripts. It allows you to define and handle command-line options and arguments effortlessly. In this tutorial, we will explore the argparse module in Python 3, covering its basic usage, switches, and handling files as arguments.
Switches (or flags) are optional arguments preceded by a hyphen. They can be either short (single-character) or long (multi-character).
This example demonstrates a script that accepts a required positional argument (arg1), an optional argument (--option), a switch (-v or --verbose), and a file as an argument (input_file). Adjust the arguments and their types according to your specific script requirements.
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