Numbers in a table tell you something. A chart tells you the same thing in a second. You can stare at 1000 rows of salary data and struggle to see the pattern. Or you can plot a histogram and instantly see that it is bimodal, two clusters, probably two different job levels in one dataset. The pattern was always there. The chart made it obvious. Matplotlib is the foundation of Python visualization. It is not the prettiest library. It is not the easiest. But everything else in the Python visualization ecosystem either uses it underneath or was built as an alternative to it. Learn Matplotlib and the others make sense. The Mental Model First Before any code, understand the structure. A Figure is the whole window. The blank canvas. You can have multiple plots inside one figure. An Axes is one individual plot. One set of x and y axes. When you have a 2x2 grid of charts, you have one Figure with four Axes objects.…