Apparently, some friend has started coding again thanks to my efforts levelling up my Python skills. And I still have a long way to go.

One of my students from Batch 1 sent me a file with a strange extension. I did some googling and found out that it is a Jupyter Notebook file. I immediately gave myself a 30-minute tutorial and starting installing Jupyter on my machine before digging into the code my ex-student wrote.

My student’s code was very compact and elegant. It was also able to generate a Markovitz Efficient Frontier within various stock instruments chosen by the coder. Thus began one of the toughest tutorials I ever had where the trainer now get to be the apprentice.

My most immediate instinct is to make sure that the work my student did was not wasted and I can add value to his Python program, so I made some modifications to

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