v $2\mathrm{.}3$ Import XML in python

Write Python code to import $($read$)$ data from the XML document $($as in Project $3\mathrm{.}1)$

a$)$ Display $($arimt$)$ all the data records in an formit.

b$)$ Calculate the percentage of the nutber of each sorial network users with reysect to the world mopulation.

For instance, world population is $7800000000(7\mathrm{.}8$ billions, approx.$).$ Based on the above data, Facebook would have $34\mathrm{.}63\%$ users of the world population.