Python allows free creation of plots, unlike expensive, stagnant graphing calculators. Import NumPy and Matplotlib for basic ...

import squarify import matplotlib.pyplot as plt # Sample data (could be derived from Excel) sizes = [50, 25, 15, 10] Openpyxl Python library is ... to create a line graph showing the sales trend ...

in Python using Matplotlib. If you already have a plot generated with Matplotlib, activating xkcd-mode is as simple as calling a method on the pyplot object: There will undoubtedly be similar ...