Chatbots for Beginners: A Complete Guide to Build Chatbots - Deep Learning-Based Chatbot Architecture and Development: D

The video tutorial explains how to combine test and train data into a single dataset called all_data. It then guides the viewer through creating a vocabulary set from stories and questions, ensuring that all necessary words, including 'yes' and 'no', are included. The tutorial concludes by calculating the length of the vocabulary and previews the next video, which will cover the longest story and maximum question length.

What is the purpose of using vocab.union in the vocabulary creation?

Explain the process of adding questions to the vocabulary.

What will be discussed in the next video according to the text?