[Tutor] Change datatype for specific columns in an 2D array & computing the mean

[Ek Esawi]

Thank you SO MUCH Oscar and others. This is exactly what i wanted to get. I
think i can take it form here. I spent hours looking at different ways to
figure it out and i came close. I tried numpy.genfromtxt, numpy.loadtext,
json, etc.

I am at the moment learning how to open various data files with different
format such as csv, pdf, html, etc. and then convert them to arrays or
list.

Thanks again for your patience and help

EK