This Is Why Python Data Classes Are Awesome
💡 Learn how to design great software in 7 steps: https://arjan.codes/designguide. Data classes in Python are really powerful and not just for representing structured data. In this video, I show you what you can do with dataclasses as well as new capabilities that have been added in Python 3.10. 🎓 ArjanCodes Courses: https://www.arjancodes.com/courses/. 💬 Join my Discord server: https://discord.arjan.codes. ⌨️ Keyboard I’m using: https://amzn.to/49YM97v. 🔖 Chapters: 0:00 Intro 0:49 What are data classes? 1:37 Explaining the example 4:00 Dataclasses basics 5:45 Assigning default values 8:54 Excluding arguments from the initializer 9:44 Using post_init to generate extra fields 11:25 Private/protected members 11:59 Excluding information from the repr 12:43 Freezing a dataclass 14:59 (new in Python 3.10) kw_only 16:10 (new in Python 3.10) match_args 17:00 (new in Python 3.10) slots 21:30 Final thoughts #arjancodes #softwaredesign #python
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