Python Timer Decorator Explained | Measure Function Execution Time

Learn how to create a practical Timer Decorator in Python! In this hands-on example, you'll see how a Python decorator can measure how long a function takes to execute. In this tutorial: Create a timer decorator Understand how the wrapper function works Measure function execution time Apply the decorator to a function using `@timer` This tutorial builds on the fundamentals of Python decorators and demonstrates one useful real-world application. Subscribe to Rahul Labs for practical Python, Agentic AI, RAG, Git & GitHub, scientific computing, and aerospace engineering tutorials. Learn. Build. Experiment.