Introduction - If you have any usage issues, please Google them yourself
Design an interface to enter the name, age and phone number, continue to input according to "next"; press the "finish" button, the entire list has been entered, the program will create an output file and displayed. Format such as:
Tom 2513700123456
Peggy L. 212734-5678
Marc 236234-5678
Ron 245876-4321