Python 3 for Beginners: Introduction to Object-Oriented Programming and Methods in Python

The video tutorial introduces key concepts in Python, emphasizing that everything is an object with a type. It focuses on the string data type, explaining how variables can represent string objects. The tutorial differentiates between functions and methods, illustrating how methods operate on objects. It concludes with examples of string methods like lower and upper, demonstrating their effects on string objects.

What does the 'lower' method do when applied to a string object?

Describe the output of the 'upper' method when called on the string 'Apple'.