Gagan's response effectively demonstrates the application of object-oriented programming principles in Python. He provides a clear example of creating a "Product" class for an inventory management system, detailing attributes and methods that align with OOP concepts such as encapsulation and abstraction. His explanation indicates a solid understanding of structuring code for reusability and maintainability, which is crucial for software development roles. However, to enhance his response, Gagan could have included more technical details or challenges faced during implementation to showcase deeper expertise.