pca13.py

from bokeh.plotting import figure, show

p = figure(width=400, height=400)
p.quad(top=cumulative_distribution,
       bottom=bottom,
       left=[1, 2, 3, 4, 5, 6, 7],
       right=[1.2, 2.2, 3.2, 4.2, 5.2, 6.2, 7.2],
       color="#B3DE69")

show(p)