1. a.input names of students from the user, terminated by "zzz", 0,0,0, and create a data file grades with records of the following form: student (string), test1 (integer), test2(integer), test3 (integer) b. display the contents of the file grades created in part a. each student's record should appear on a separate line and include the total score (the sum of the three tests) for that student. For example, a line of output might be as follows: R. Abrams 76 84 82 242