Can someone solve this?

Question

Creating a method gather students informations
Creating a method that store the informations in a text file(id,name,family,score,unit..)
Creating a class that contains a dictionary that its keys are students id and its values are student objects
{“123456”: stu1}
https://code.sololearn.com/cLjujYWEU6RL/?ref=app
https://code.sololearn.com/c7862TauM0y5/?ref=app

Answer 1

The code in Class1 has to be changed to:

class course:
def __init__(self, name, units, score):
.....

class student:
def __init__(self, name, family, id):
.....

Answer 2

Write everything here in one file.

Answer 3

there is method in Class1 that compute the the average score of the students