Python, for all its power and popularity, has long lacked a form of flow control found in other languages—a way to take a value and match it elegantly against one of a number of possible conditions.

This updated version of the respected beginner's guide to Python gives newcomers a whirlwind tour of Python 3.9—from object-oriented programming basics to examples involving data analysis, web ...

Learn how to create contour plots in Python using NumPy’s meshgrid and Matplotlib. This step-by-step tutorial shows you how to generate grids, compute functions over them, and visualize data ...