Need help coding this.

Write the program that allows users to enter the file name to store the information of students then provides the menu to allow users to select the following tasks and only terminate the program when users select exit Each task has to be handle in a user-defined function 1. 2. 3. 0. GRADING STUDENTS Enter Information of Students in class Enter the scores of Students Grading Exit TASK 1: ENTER INFORMATION OF STUDENTS IN CLASS -Open the file with the above file name as output file -Read information of one student that includes: student id, last name, first name, phone Store the information to the output file in the following format id,lastname,firstname,phone then allow users to continue to input the information of other students until users want to stop For example in the output file: 1234567,Le, Liem,2147255796 2222222,Smith,James,4691234567 3124567,David,Kevin,9727654321