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1. (20 points) Suppose that you have a stack astack and an empty auxiliary stack auxStack. Show how you can do each of the following tasks by using only the ADT stack operations. Write code fragments, not functions. Make no assumptions about the stack implementation (it could be any). Use only stack methods: (Download below) a. Display the contents of astack in reverse order; that is, display the top last. b. Count the number of items in astack, leaving astack unchanged. c. Delete every occurrence of a specified item from astack, leaving the order of the remaining items unchanged