While I in a way understand what I need to do to fix my programming and fix the assignment, however I was confuse how to make a a separate .cpp file that contains your save and retrieve File IO and connect it to my programming. Please help me to understand the problem of my work step by step.

Assignment 3 CSIS 123A - Duffie/Hernandez (F2020) Assignment 3 asks you to modify your dataStore application from Assignment I & 2 to use file streams to save and retrieve your data store data to and from disk using functions referenced in a separate .h and .opp file. STEP 1: Modify your data_store .h and .cpp files to include a member function that returns a formatted string suitable for File IO. (extra: friend function > > and