Write a loop that will read in a list of even numbers (such as 2, 24, 8, 6) and compute the total of the numbers on the list. The list is ended with a sentinel value. Among other things, you must...

Write a loop that will read in a list of even numbers (such as 2, 24, 8, 6)

and compute the total of the numbers on the list. The list is ended with

a sentinel value. Among other things, you must decide what would be a

good sentinel value to use