how to write a student grades using data structure file ? please

Answer 1

What do you have so far? What does the input file look like? Is it a .txt?

Answer 2

yes it is

Answer 3

Have you tried to do it?
if your file is local it is

infile = open(whatever the file path is, 'r') # the r is to have a read permission.

can you upload what you have tried before I just put up how to read it to list or something else from the file object