matplotlib

Reading

Read this tutorial up to but not including the section called “Working with text.”

Key ideas

• plt.plot()
• line style and color: https://matplotlib.org/api/pyplot_api.html#matplotlib.pyplot.plot
• working with multiple subplots
• histograms

Active learning

Activity 1

Download graph.py

• Modify graphs.py to label the x-axis as x and the y-axis as y.
• Modify graphs.py to plot the straight lines with magenta dashes. Hint.
• Modify graphs.py to draw the sine wave with 5 point size.
• Add your own function plot_new_func that plots a different sort of function on the same plot. Comment your function using a docstring.

Activity 2

Download diceSimulator.py.

• change the simulator to roll 3 dice and display the results.
• change the simulator to roll 10,000 times.

Acitivty 3

Download montana.py and montana.txt.

• Modify the program above so that it shows the net population increase (or decrease) from one census date to the next in a second figure. (The first figure should continue to show the original graph.)