Advanced Chatbots with Deep Learning and Python - Data Preparation

The video tutorial explains how to handle train and test data files in a program. It covers loading data from pickle files, checking data types and lengths, and exploring the structure of the data, which includes stories, questions, and answers. The tutorial concludes with a preparation for joining data to extract vocabulary and develop a set of stories and questions for training a chatbot.

What are the lengths of the test data and train data as mentioned?

Describe the format of the data used for training the chatbot.

What is the purpose of joining both train and test data?