https://www.khanacademy.org/computing/intro-to-python-fundamentals/x5279a44ae0ab15d6:building-software-with-classes/x5279a44ae0ab15d6:reference-docs-classes/a/docs-classes 2026-03-24T21:18:04.627630891Z Docs: Classes Review the syntax for classes and objects in Python. article https://www.khanacademy.org/computing/intro-to-python-fundamentals/x5279a44ae0ab15d6:building-software-with-classes/x5279a44ae0ab15d6:attributes/v/software-and-abstraction 2026-02-12T00:31:28.998388251Z Software and abstraction How can you model the real world in code? Explore how programmers use abstraction to make complex systems easier to understand and build. Break down a real world concept into its attributes and behaviors as you organize code into classes and objects. Kim Merrill video https://cdn.kastatic.org/ka_thumbnails_cache/b3ec07d9-e512-4900-9db0-9c33eb878c65_1280_720_base.png Software and abstraction How can you model the real world in code? Explore how programmers use abstraction to make complex systems easier to understand and build. Break down a real world concept into its attributes and behaviors as you organize code into classes and objects. https://cdn.kastatic.org/ka-youtube-converted/9oDAsFhSR5k.mp4/9oDAsFhSR5k.mp4 228 Understanding classes in python https://www.khanacademy.org/computing/intro-to-python-fundamentals/x5279a44ae0ab15d6:building-software-with-classes/x5279a44ae0ab15d6:attributes/v/classes-and-objects 2026-02-12T00:31:28.998388251Z Classes and objects Write a class definition to define the template for a new data type, and then call the class to instantiate objects of that type. Trace how Python uses the __init__() method to initialize an object's attributes at the time it's created. View the program used in this video at: https://www.khanacademy.org/python-program/shellguy/6641834622828544 Kim Merrill video https://cdn.kastatic.org/ka_thumbnails_cache/120235a9-0c24-4850-a869-09a6e1e33e96_1280_720_base.png Classes and objects Write a class definition to define the template for a new data type, and then call the class to instantiate objects of that type. Trace how Python uses the __init__() method to initialize an object's attributes at the time it's created. View the program used in this video at: https://www.khanacademy.org/python-program/shellguy/6641834622828544 https://cdn.kastatic.org/ka-youtube-converted/ocWCzDAH5lI.mp4/ocWCzDAH5lI.mp4 472 Understanding classes in python https://www.khanacademy.org/computing/intro-to-python-fundamentals/x5279a44ae0ab15d6:building-software-with-classes/x5279a44ae0ab15d6:attributes/a/instance-attributes 2026-02-26T04:40:42.68694768Z Instance attributes Learn how to access and update an object's instance attributes with dot syntax. article https://www.khanacademy.org/computing/intro-to-python-fundamentals/x5279a44ae0ab15d6:building-software-with-classes/x5279a44ae0ab15d6:attributes/e/interpret-class-definitions 2025-11-12T19:20:45.097603077Z Interpret class definitions Interpret class definitions and trace instance attribute accesses and updates. Kim Merrill exercise https://www.khanacademy.org/computing/intro-to-python-fundamentals/x5279a44ae0ab15d6:building-software-with-classes/x5279a44ae0ab15d6:attributes/v/program-design-search-bar 2026-02-12T00:31:28.998388251Z Program design: search bar Code along with a software engineer in this worked example using objects and attributes. Design a class definition to model the shoes in a store's product catalog. Filter search results to find the shoes that match what the customer wants. View the program used in this video at: https://www.khanacademy.org/python-program/program-design-search-bar/4940219138293760 Kim Merrill video https://cdn.kastatic.org/ka_thumbnails_cache/eeb9f110-7278-4c52-ac13-e68a06825b26_1280_720_base.png Program design: search bar Code along with a software engineer in this worked example using objects and attributes. Design a class definition to model the shoes in a store's product catalog. Filter search results to find the shoes that match what the customer wants. View the program used in this video at: https://www.khanacademy.org/python-program/program-design-search-bar/4940219138293760 https://cdn.kastatic.org/ka-youtube-converted/J-LMZrJdwas.mp4/J-LMZrJdwas.mp4 407 Understanding classes in python https://www.khanacademy.org/computing/intro-to-python-fundamentals/x5279a44ae0ab15d6:building-software-with-classes/x5279a44ae0ab15d6:attributes/pc/challenge-viewer-engagement 2026-02-20T05:00:47.506652522Z Challenge: Viewer engagement Practice creating and accessing object attributes to compare viewer engagement between different videos. challenge