The article provides a comprehensive guide on how to retrieve the page source in Selenium using Python, highlighting its importance in test automation for identifying bugs during UI, functional, or security testing of web applications. It explains various methods for accessing HTML source code, such as using Selenium WebDriver's page_source function, executing JavaScript via execute_script, employing Python's request library, and utilizing XPath, in addition to demonstrating how to handle JSON data embedded in HTML. The article also discusses the use of LambdaTest for testing, emphasizing its utility in executing test cases across numerous browsers and operating systems, thereby enhancing automation efficiency. The goal is to help testers automate routine tasks and improve testing processes with a focus on the continuous integration and delivery environment.