Write a prolog program to implement insert_nth(I, N, L, R) that inserts an item I into Nth position of list L to generate a list R.

19.Write a prolog program to implement insert_nth(I, N, L, R) that inserts an item I into Nth position of list L to generate a list R. 

%Write Prolog program to implement insert_nth(I, N, L, R) not.

%  below insert_nth function is not predefined you can use any name as function

insert_nth(I, 1, L, [I|L]).

insert_nth(I, N, [H|T], [H|R]):- N1 is N-1,insert_nth(I, N1, T, R).

% Output