How to modify data of my file using file handling in python

Answer 1

#something like this?

with open("Path/to/file", "a") as file:
file.write("Hello World!)

Answer 2

No let me clear it i am making a small student management system where i am storing data of students so i want to add an option where i can update the data of existing students for which i need help i am using file handling in this