Extract data using LEFT(), RIGHT(), MID()

LEFT:-
This function is very simple to use because you only need 2 pcs. of information: your initial text (generally the reference of a cell) and the number of digit you want to extract (3 in this case).
RIGHT:-
This function is very simple to use because you only need 2 pcs. of  information: your initial text (generally the reference of a cell) and the number of digit you want to extract (3 in this case).
MID:-
In parameters of this function, you must in first, put the reference of your cell on the second, indicate the position where you want to start your extraction on third, precise number of characters you want to extract