Question: Write Prolog program to A) find the sum of all items in a list. EXAMPLE (sum(S, [1,2,3,4]).==> S = 10 ) , (sum(S, []).==> S

Write Prolog program to

A) find the sum of all items in a list. EXAMPLE (sum(S, [1,2,3,4]).==> S = 10 ) , (sum(S, []).==> S = 0)

B) sort all items in a list in descending order EXAMPLE ( sort(S,[1,3,2,1,5]).==> S = [5, 3, 2, 1, 1] )

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