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I don't think so. I believe what is available are the assignments, lectures, and supporting material. MIT probably isn't paying their TAs to help us out, unless it is in their spare time on this message board.
The course on http://ocw.mit.edu is self-study, self-paced. The 2011 version also provides solutions. If you want a more interactive version of the course you can check it out on http://www.edx.org when it runs again. The current run is almost complete.
the 2011 version provides you the solutions along with test cases in the problem set. It also provides you some test files( .py files) that help you evaluate your homework part wise so that you are sure to move further.
also if you are really interested in dynamic nature just try the edx courses when they restart