😬😬🔈🔈[challenge] make a table having names nd their marks for their three test.....then sort it

Question

u make u r self a table having five students and their marks in three test....let it be a,b,c....
now u have to sort according to values of a,if two have same values in a then sort according to b,even b is same move to c,even c is same move to sum of their marks...even same totals then according into names...if they are same then as u like ......
please output two tables one before sorting and another after sorting .......
**if u use random numbers,it is out of box.....
ALL LANGUAGES ARE ACCEPTED.........

Answer 1

Am i understand correctly?
https://code.sololearn.com/cnv7A7cALCJX/?ref=app