Selenium

What is selenium?
Selenium is an open source automation testing framework. Used to automate the web application testing. It is used for web application testing across different browsers and platforms.

Why do we use Selenium for Automation?
Selenium is an Open Source Tool. Free to use.
It Supports multiple languages like C#, Java, Python, Ruby, JavaScript etc.
Selenium supports multiple browser testing like chrome, Edge, Firefox, Safari, Opera.
Selenium can be used in Multiple Operating Systems like Windows, Linux, Mac.
Selenium have inbuild community support which is helpful for the testers where they need a support to clarify the doubts.
Selenium uses different Framework like TestNG, JUnit, NUnit.
Selenium supports plugins and the extensions for testing the advanced test cases.

What is the Relevance of Selenium in automation testing using Python?
Selenium is an open source tool which supports multiple languages. Python is one of the language supported in Selenium. Python is widely used by the Testers due to its simple syntax and easy learning. Python is easy to read and understand. Beginners can also learn Python easily and quickly to start with Selenium testing. Python is preferred choice for the freshers and testers who trying to move from manual to automation testing. Automation scripts created using selenium and python can be integrated with different tools like Jenkins, Git, and Docker. This allows Test execution whenever new code is added or updated. Defects can be identified at an early stage, reducing the cost of fixing issues and improving overall software quality. When selenium combined with python it becomes even more effective due to python's simplicity and library support.