We use the pymc library to perform examples of MCMC posteriors

pymc (https://pymc-devs.github.io/pymc/)

clone to your directory using:

git clone https://github.com/lontelis/MCMC-posterior-example.git

cd MCMC-posterior-example

then

python MCMC_posterior.py 

inside within an ipython session, by typping:

ipython
run MCMC_posterior.py