3.1 Introduction to the transformer architecture3.1.1 Tokenization3.1.2 Token embeddings3.1.3 Positional encoding3.1.4 Transformer block3.1.5 Softmax3.2 Working with the Transformers library3.2.1 What are pretrained transformers models?3.2.2 What are transformers pipelines?3.2.3 Using a model directly3.2.4 Using a transformers pipeline3.3 Using transformers for NLP tasks3.3.1 Text classification3.3.2 Text generation3.3.3 Text summarization3.3.4 Text translation3.3.5 Zero-shot classification3.3.6 Question-answering tasks