need code for this:
Write a program that creates a random file containing academic info. using data entered from the console. Each record is 27 bytes long, and there should be at least 20 records. The record format is shown here:

Field                        Column
Student Number                 1
Last Name                      6
Course Taken                   19
Number of credits              27
Grade                          28

Here is some sample data to which you should add at least 17 more records:

10024ADAMS      ENG 11003A
23456BEAN       CIS 23014B
12345BOOKER     MAC 11325A

Using this file write a random file update program that
displays the following menu:

STUDENT FILE MAINTENANCE

S  Show a single record
A  Add a new record
C  Change a record
D  Delete a record
E  exit program

The user may select records by record number. After each of the menu functions is carried out, return to the menu. Test the prog with multiple additions, deletions, and changes to records.