Can anyone slove this for me its urgent. PLEASe

Given a huge list of Investors with id, name, net worth, etc. Write an efficient code for printing top k investors in the list.

For example, if given list is -

[Investor A:(networth:20L),
Investor B:(networth:25L),
Investor C:(networth:10L), 
Investor D:(networth:50L), 
Investor E:(networth:30L)] 

and you are asked for the largest 3 investors i.e., k = 3 then your program should display Investors D, E and B data.