You should do this homework on your own -- one submission per student, and by submitting you are certifying the homework is your work.
Submission: Homework submission will be via Compass (you should have been signed up automatically, if not please email Rick)
Your submission must be typed and submitted as a PDF. No handwritten/scanned solutions.
For problem 14.4.b you may use the HMM functionality provided by
https://github.com/hmmlearn/hmmlearn
The installation instruction is simply
pip install -U --user hmmlearn
And the documentation is provided at
http://hmmlearn.readthedocs.io/en/latest/