Help me separate this code into 2 different files

Question

The first file must store the values of struct student and the other file must read and output the information in the first file https://code.sololearn.com/cBuyx2hMGuZJ/?ref=app

Answer 1

Like this?

https://www.sololearn.com/compiler-playground/cP1f6obgSjpT
https://www.sololearn.com/compiler-playground/c11kq4eWt51g