*********THIS IS TO BE DONE IN PROLOG PROGRAMMING******** PLEASE ANSWER THE 2 QUESTIONS AND MAKE IT COPYABLE ON COMPUTER, THANK YOU.

1- Define a predicate sumlist(L,N) which, given a list of integers L, returns the sum N of all the elements of L.

2- Define a predicate length(L,N) which holds iff N is the length of the list L.