how to make hollow square marks with matplotlib in python

Question

Black line in the following graph is plotting using the below command for matplotlib python

pylab.semilogy(xaxis, pq_averages, \'ks-\',color=\'black\', label=\'D         


        

Answer 1

Try adding markerfacecolor like so:

pylab.semilogy(xaxis, pq_averages, 'ks-', markerfacecolor='none', label='DCTCP-PQ47.5')