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Write a program which prompts a user to enter his first name. There it greets the user in this format: Hello first_name how are you? For instance, if the user enter his name as John, the greeting would be Hello John how are you? Write a program which asks the user's first and greets as in Q8 but the greeting is boxed with the at @ characters: Hello John how are you? Here John is an example. You program should be able to greet for any entered name. Write a program which asks the user's name and greets the user in this format: @@ Hello @@ John @@ how @@ are @@ you? @@ where each word is separated by 4 characters which are a space, @, @, and a space characters. Your program must Work for any given name