Python can be really useful in mechanical engineering because it helps automate calculations and makes repetitive analysis much easier. For example, engineers can use NumPy for numerical calculations, Pandas for handling experimental data, and Matplotlib for plotting results.

One area where I think Python is especially useful is when you have to repeat the same calculation for many different design values. Instead of doing everything manually in a spreadsheet, you can write a small script and change the inputs whenever needed.

It can also be useful for processing sensor or test data, solving equations, and creating quick simulations or visualizations. You don't necessarily need to become a full-time programmer either. A solid understanding of Python basics and how to apply them to engineering problems can already save a lot of time.