AI & Machine Learning Development Comprehensive guide for building AI/ML systems from prototyping to production. Frameworks Overview | Framework | Best For | Ecosystem | | ---------------- | ---------------------- | -------------------------- | | PyTorch | Research, flexibility | Hugging Face, Lightning | | TensorFlow | Production, mobile | TFX, TF Lite, TF.js | | JAX | High-performance, TPUs | Flax, Optax | | scikit-learn | Classical ML | Simple, batteries-included | --- PyTorch Model Definition Training Loop PyTorch Lightning --- Hugging Face Transformers Text Classification Fine-Tuning LLM…