Grade calculator solution | Computer Science homework help

Professor Arkins wants an application that allows him to assign a grade to any number of students. Each student’s grade is based on three test scores, with each test worth 100 points. The application should total the test scores and then assign
the appropriate grade using the information shown: 270-300 A 240-269 B 210-239 C 180-209 D below 180 F There should be one text box for "Student’s total points:" and another text box for "Student’s grade:" and two buttons: one button will say Assign Grade
and the other button will say Exit.