MatPlotLib

Simple xy line charts, and simple save to file

Scatter plot, and adding titles to axes

Bar charts

Pie charts, and adding a title

Histograms (and obtaining histogram data with NumPy)

Boxplots

Violin plots

3D wireframe and surface plots

Common modifications to charts

A simple heatmap

Adding contour lines to a heatmap

Creating a grid of subplots

Adding error bars to charts

Adding shaded areas to charts