Question: What is one of the most common use of Python's sys library?

1. to capture command-line arguments given at a file's runtime
2. to connect various systems, such as connecting a web front end, an API service, a database, and a mobile app
3. to take a snapshot of all the packages and libraries in your virtual environment
4. to scan the health of your Python ecosystem while inside a virtual environment

Answer: The correct answer of the above question is Option A:to capture command-line arguments given at a file's runtime