[tylerhou]

There exist implementations of an interface between Python and the Coursera grading server.

https://github.com/mstampfer/Coursera-Stanford-ML-Python is an example.

[mindcrime]

Of course somebody would have reverse engineered the protocol already. Oh well. I still think most people would find it easier to just do the assignments themselves than deal with all this, but I'll grant that there's "always one in every crowd" as they say.