Your program can modify individual fields in a record. Use some kind of ID Number to determine which record to modify. It should write the data from the related lists back to the file without loss of...

Your program can modify individual fields in a record. Use some kind of ID Number to determine which record to modify. It should write the data from the related lists back to the file without loss of information.

Hint: Read in the file. Add and modify data in the lists of your program. Then before the program exits write ALL the information back to the file. ----- By the way I have a lot of it done already I just need I bit of help