Program design: course enrollment | Intro to CS - Python | Khan Academy

Code along with a software engineer in this worked example using objects and methods. Model a course in a school's registration system and use the __str__() method to define its string representation. Write methods to encapsulate the logic and validation for enrolling and unenrolling students. View the program used in this video at: https://www.khanacademy.org/python-program/course-enrollment/527