1. Input names of students from user, terminated by ZZZ, and design the data file GRADES with records of form:
student (string), test1 (integer), test2 (integer), test3 (integer)
In this file, all test scores should be set equal to 0.
2. Show contents of file GRADES created in Problem 1. Each student's record must appear on separate line and include total score (sum of three tests) for that student. For instance, a line of output might be: R.Abrams 76 84 82 242