12:37:01	 From Will Koster : Can we ask homework questions? 
12:37:19	 From David Forsyth : Yes happy to have homework questions
12:40:51	 From Divya Badri : I also found that using scipy.stats.multivariate_normal in Python helps
13:06:28	 From Will Koster : Does that mean those images will all be just shades of grey?