Pyppeteer, a Python library serving as an unofficial port of Puppeteer, enables web browser automation via the Chrome DevTools Protocol, allowing users to automate tasks, manipulate web pages, and extract data from websites using Python. Despite its development halting after the release of version 1.0.2 in January 2022, it remains popular for automating interactions with web elements, handling iFrames, and scraping content from dynamic websites, often in conjunction with testing frameworks like pytest. The tutorial outlines installation steps, including setting up a virtual environment, and offers detailed guidance on automating various scenarios such as clicking buttons, printing PDFs, managing cookies, switching tabs, handling dynamic content, and web scraping. It also covers the integration of Pyppeteer with LambdaTest for cloud-based testing, allowing parallel execution of tests across various browser versions and environments. While Pyppeteer shares similarities with Puppeteer, their key difference lies in their programming languages, with Pyppeteer using Python’s asyncio library for asynchronous operations, while Puppeteer relies on JavaScript promises.