Lab and homework #18

1) Write a function that takes an array and will *return* the maximum. (You have code for minimum.)
2) Write a function that takes an array and will *print out* the maximum.
3) Write a function that takes an array and will *print out* all the elements of the array.
4) Write a function that takes an array and will return the sum of all elements of the array.
5) Write a function that takes an array and will return the product of all elements of the array.