I am trying to plot a line area graph similar to a stacked bar chart.
import matplotlib.pyplot as plt
import numpy as np
fig = plt.figure()
ax = fig.add_subplot(111)
ind = np.arange(3)
y1 = np.array([1,2,3])
y2 = y1 * 2
a = ax.fill_between(ind, y1, np.zeros(len(ind)), facecolor='r')
b = ax.fill_between(ind, y2, y1, facecolor='b')
However, when I try to make my legend,
I get an AttributeError. How do I extract the information I need from the
PolyCollection object to make a legend?