Genrate timetable using Python 3

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Python

generator

planning

i need to generate a timetable
for a 5 day week
7 lessons per day
students can only be in one palce at a time same with teachers

minimuim of 3 of each subject per week
user must be able to edit students taking each subject

(i thought of a list for each subject and in it index of who takes it)
i struggling with logic)

Please can i have help coding the project with #comments please
or a algorythm i can follow

What I have tried:

#subjects
subjectn = ('What subject do you wish to edit')

subject = []
for students in subject:
student = input('Name of student you wish to add')
subject.insert(students, student)
Add = input('add another student Y/N? :')
# if Add == 'Y'or'y': bad use of syntax
# then pass #useless
# if Add == 'N' or 'n':
# break