Learn how to train and test an Italian BERT model in this comprehensive video tutorial. Explore the process of creating a RobertaForMaskedLM model using a custom configuration object, setting up the training loop, and handling CUDA errors. Dive into the training results, analyze the loss, and implement a fill-mask pipeline for testing. Follow along as the instructor demonstrates the model's performance with a native Italian speaker. Gain valuable insights into transformer-based language models and their applications in natural language processing for the Italian language.