How to analyse portfolio stock prices using Python

In my last post I explained how to analyse individual stock prices using Python. In this post I intend to show how to put the individual stock prices into a portfolio and analyse the prices of that portfolio. If the reader has not read my last post, the link to that post can be found here:- https://medium.com/geekculture/how-to-two-compare-stock-prices-using-python-86e552fd38fa