The video tutorial introduces Python's standard library, emphasizing the use of existing modules like CSV, logging, and HTTP requests to avoid reinventing the wheel. It explains how to handle errors using the SYS module's exit method. The tutorial also covers creating custom modules and importing them into other programs. It highlights the importance of controlling module execution behavior using the __name__ variable, allowing different behaviors when a module is run directly or imported. This approach is common in Python applications, ensuring that code is only executed when intended.

What is the purpose of the Python Standard Library?

How can you handle errors when opening a file in Python?

Describe how to create and use your own module in Python.

What is the significance of the __name__ variable in Python?

What happens when a module is imported in Python?