Vertical xtick labels on top, not bottom

Question

I want to plot a confusion matrix using Pylab. The class labels along the horizontal axis are long, so I want to plot them rotated vertically. However, I also want to plot them

Answer 1

Reading your post, and trying by myself, I found one very simple way of setting the ticks on top on the axes: pylab.gca().tick_top()

Cheers!