What programming languages are commonly used for QA automation, and which one do you prefer? What is continuous integration, and how does it relate to QA automation? Can you explain the concept of "test automation pyramid" and its significance in test automation strategy? How do you ensure the stability and reliability of your automated tests? What is the role of version control in QA automation, and how do you manage your test scripts with it? How do you handle test environments and configuration management in automation?