Behavior:
When user Type M you should show the Menu Options
When user Type S it means user wants to save the pet data
When user Type L it means user wants to load the pet data
When user Type U it means user wants to update the pet data
When user Type D it means user wants to delete the pet data
When user Type A it means user wants to load all data
When user Type F it means user wants to search data from database
When user Type R it means user wants to Read ReadMe
When user Type K it means user wants to Donate to Coffee