Explore coding neural networks using PyTorch and Lightning in this 21-minute tutorial. Learn how to simplify neural network development, enhance code portability across computing environments, and automate learning rate discovery. Begin with a review of basic PyTorch concepts before diving into coding a pretrained neural network using PyTorch and Lightning. Progress through the training process, discover techniques for finding optimal learning rates, and leverage GPU acceleration with Lightning. Gain valuable insights into streamlining your neural network development workflow and improving overall efficiency.