Where is it? Find the tutorial here: https://codecapsules.io/docs/create-and-host-a-telegram-bot-on-code-capsules/
What is it? A comprehensive look at how to create a telegram bot using data sourced from an already existing API. The bot will give different responses depending on the message a user sends to it. Code Capsules also includes full code samples to ensure that you easily follow along.
What you need to follow You will need a Telegram account for the bot. Programming wise, intermediate python experience is ideal but you should be able to follow along even without it because of the tutorial's step by step nature. You will also need the Python program installed on your computer and the pip package manager to easily install other additional dependencies.