Writing code, especially in larger software projects can be very challenging. In this video, I'm going to cover cohesion and coupling to help you write better code. I'll go through a Python program in detail and I'll show you how to write code that has low coupling and strong cohesion. Coupling and Cohesion are part of the GRASP principles of object-oriented design, as proposed by Craig Larman in his book (see below for a link). Here are a few books about software design that might interest you: - Applying UML and Patterns: An Introduction to Object-Oriented Analysis and Design and Iterative Development, by Craig Larman: https://amzn.to/364wgLb - Design Patterns: Elements of Reusable Object-Oriented Software, by the Gang of Four: https://amzn.to/39451Cv 💡Here's my FREE 7-step guide to help you consistently design great software: https://arjancodes.com/designguide. 🎓 Courses: The Software Designer Mindset: https://www.arjancodes.com/mindset The Software Designer Mindset Team Packages: https://www.arjancodes.com/sas The Software Architect Mindset: Pre-register now! https://www.arjancodes.com/architect Next Level Python: Become a Python Expert: https://www.arjancodes.com/next-level-python The 30-Day Design Challenge: https://www.arjancodes.com/30ddc 🛒 GEAR & RECOMMENDED BOOKS: https://kit.co/arjancodes. You can find the code I worked on in this episode in my GitHub repository: https://github.com/arjancodes/betterpython All parts in this series: Part 1: Cohesion and coupling - https://www.youtube.com/watch?v=eiDyK_ofPPM Part 2: Dependency inversion - https://www.youtube.com/watch?v=Kv5jhbSkqLE Part 3: The strategy pattern - https://www.youtube.com/watch?v=WQ8bNdxREHU Part 4: The observer pattern - https://www.youtube.com/watch?v=oNalXg67XEE Part 5: Unit testing and code coverage - https://www.youtube.com/watch?v=jmP3fp_BhmE Part 6: Template method and bridge - https://www.youtube.com/watch?v=t0mCrXHsLbI Part 7: Exception handling - https://www.youtube.com/watch?v=ZsvftkbbrR0 Part 7b: Monadic error handling - https://www.youtube.com/watch?v=J-HWmoTKhC8 Part 8: Software architecture - https://www.youtube.com/watch?v=ihtIcGkTFBU Part 9: SOLID principles - https://www.youtube.com/watch?v=pTB30aXS77U Part 10: Object creation patterns - https://www.youtube.com/watch?v=Rm4JP7JfsKY Chapters: 0:00 Introduction 0:47 What is cohesion? 1:37 What is coupling? 3:59 Code example intro 6:39 Analyzing the code 7:56 Information expert 11:19 Reducing coupling 16:32 Improving cohesion 22:40 Recap 25:37 Outro If you enjoyed this content, give this video a like. If you want to watch more of my upcoming videos, consider subscribing to my channel! DISCLAIMER - The links in this description might be affiliate links. If you purchase a product or service through one of those links, I may receive a small commission. There is no additional charge to you. Thanks for supporting my channel so I can continue to provide you with free content each week!