Explore how to leverage Hugging Face's "accelerate" library for efficient PyTorch NLP model training and fine-tuning on Colab TPU and multi-GPU setups. Learn to adapt existing PyTorch training scripts for multi-GPU/TPU environments with minimal code changes. Discover the notebook_launcher function for distributed training in Colab or Kaggle notebooks with TPU backends. Gain hands-on experience using Google Colab to implement these techniques, enhancing your ability to scale NLP model training across multiple GPUs or TPUs.