import urllib # the module for reading a url import numpy as np import pandas as pd # the module for opening a .xlsx file import matplotlib.pyplot as plt # the module we will use for several graphical ...

Import the matplotlib.pyplot module under the name plt (the tidy way) import matplotlib.pyplot as plt. ... Subplot. To plot multiple plots on the same canvas use the subplot method. This takes ...

I suspect the problem is that matplotlib needs constant-length arrays to plot two on the same plot. For each 'tick' of the animate function it will need to know what value to write for that instant.