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  • Ever had a Python function behave strangely, remembering values between calls when it shouldn’t? You’re not alone! This is one of Python’s sneakiest pitfalls—mutable default parameters. Recently someone asked for help in our Pybites Circle Community with a Bite exercise that seemed to be behaving unexpectedly. It turned out that this was a result of modifying a mutable parameter […]


  • When Bob and I first started Pybites, there was no way I could have imagined it’d grow to what it is today. Launching our first products was a massive moment for us both, not just because these were ways to sustain the business, but because we were actually HELPING people. People were coming to us […]


  • In this post, I will build a simple fitness tracker app using Python Reflex. Reflex is a Python library that allows you to create reactive applications using a functional and declarative approach. We will use Reflex to create a simple fitness tracker app that allows you to log the amount of workouts completed per week. […]


  • Exact-RAG is a powerful multimodal model designed for Retrieval-Augmented Generation (RAG). It seamlessly integrates text, visual and audio information, allowing for enhanced content understanding and generation. In the rapidly evolving landscape of the Large language model (LLM), the quest for more efficient and versatile models continues unabated. One of the latest advancements in this realm […]


  • The repository pattern is a design pattern that helps you separate business logic from data access code. It does so by providing a unified interface for interacting with different data sources, bringing the following advantages to your system: A practical example Let’s use Python and sqlmodel (PyPI) to demonstrate this pattern (code here): Note: In this implementation, […]