Object composition | Intro to CS - Python | Khan Academy

Learn how to break down an object into several smaller objects that each focus on one specific job. Apply object composition to make reusable components, where one object has another object as an attribute.

View the program used in this video at:
https://www.khanacademy.org/python-program/object-composition/4669696070238208

Courses on Khan Academy are always 100% free. Start practicing—and saving your progress—now with our Intro to Computer Science - Python course!

Course link: https://www.khanacademy.org/computing/intro-to-python-fundamentals/x5279a44ae0ab15d6:building-software-with-classes
Course playlist: https://www.youtube.com/playlist?list=PLSQl0a2vh4HDkbhG0sDW0b-VZXykEIAe5

Khan Academy is a nonprofit organization with the mission of providing a free, world-class education for anyone, anywhere. We offer quizzes, questions, instructional videos, and articles on a range of academic subjects, including math, biology, chemistry, physics, history, economics, finance, grammar, preschool learning, and more. We provide teachers with tools and data so they can help their students develop the skills, habits, and mindsets for success in school and beyond. Khan Academy has been translated into dozens of languages, and 15 million people around the globe learn on Khan Academy every month. As a 501(c)(3) nonprofit organization, we would love your help!

Donate or volunteer today! Donate here: https://www.khanacademy.org/donate?utm_source=youtube&utm_medium=desc

Volunteer here: https://www.khanacademy.org/contribute?utm_source=youtube&utm_medium=desc

TIMESTAMPS:
00:00 : what is composition?
00:44 : nested object access
02:15 : Character class
02:47 : why use composition?
03:30 : breaking out a Tool class
04:36 : separation of concerns0
...
https://www.youtube.com/watch?v=oV7lRiLg7_U
Note: All Khan Academy content is available for free at (www.khanacademy.org)