16. - Python:
Score: 8
Qualitative Assessment: Good
Description: Varun mentioned his experience with Python, aligning with the job requirements. He could further impress by discussing specific Python projects and their impact on his previous roles.

17. - JavaScript:
Score: 8
Qualitative Assessment: Good
Description: Varun has a good foundation in JavaScript, essential for the IT Architect position. More details on his use of JavaScript in project scenarios would be beneficial.

18. - MySQL:
Score: 7
Qualitative Assessment: Good
Description: Varun is comfortable with MySQL, but discussing his experience with database design and query optimization specifically could provide a clearer understanding of his expertise.

19. - Data analysis libraries:
Score: 6
Qualitative Assessment: Average
Description: While Varun has used data analysis libraries, he did not elaborate on this during the interview. Providing examples of how he has used these libraries in real-world applications would demonstrate a deeper knowledge.

20. - Web frameworks:
Score: 7
Qualitative Assessment: Good
Description: Varun has experience with web frameworks, which is promising. He could enhance his response by detailing specific frameworks he has worked with and the projects involved.