Learn to write smarter Python code using classes for data processing in this 32-minute video tutorial. Explore the creation of a DatasetSelector class, add methods to enhance functionality, and instantiate class objects. Discover how to incorporate Scikit-learn support and create a DatasetManager class with additional methods. Practice instantiating multiple class objects and loading Scikit-learn datasets. Address common issues like sample size errors while gaining practical insights into object-oriented programming for efficient data handling.