Chatbots for Beginners: A Complete Guide to Build Chatbots - Machine Learning-Based Chatbots: Data Input

The video tutorial covers the process of reading and preparing data from a text file, normalizing the data by converting it to lowercase, and examining its content. It then explains tokenization, breaking the data into sentence and word tokens using NLTK. Finally, it outlines the development of a function to perform tasks such as word tokenization, removing unwanted values, and applying tagging and lemmatization techniques.

How does the text suggest handling errors when reading the data?

What is the significance of lemmatization and tagging in the data processing steps?