Class Or Object Instead Of Dictionaries In Python 2

I normally use nested dictionaries, but I'd like to move into classes and objects. I have a list of home work grades that look like: assignment_name assignment_subject student_name

Solution 1:

classstudent:
    def__init__(self, student_name):
        self.name = student_name

classhomework:

    def__init__(self,student_name,assignment_name,assignment_subject,grade):
        self.student = student(student_name)
        self.assignment_name = assignment_name
        self.assignment_subject = assignment_subject
        self.grade = grade

    @classmethoddefnew_hw(cls, line):
        return cls(line[0],line[1],line[2],line[3])

    @classmethoddefget_all_grades(cls, student_name, homework_list):
        return [ x.grade for x in homework_list if student_name is x.student.name]

lines = [["abc","a","b","A"],["abc","c","d","B"],["ebc","c","d","B"]]
hw_list = [homework.new_hw(line) for line in lines]
print homework.get_all_grades("abc",hw_list)

What you need to understand is "How to design Object-Orientedly?". The above code, may not be the best of designs, hence, try this to learn where to start. How do I design a class in Python?

Solution 2:

Don't do that.

Just make a Homework class and a Student class.

You can create a list of Homework classes and then just pass the students that are part of each "homework" to their respective object.

For example:

classHomework(object):def_init_(self, name, subject):
       self.assignment_name = name
       self.assignment_subject = name
       self.students = []

    defadd_student(self, student):
       self.students.append(student)

classStudent(object):def_init_(self, student_name):
         self.student_name = student_name

You can expand from there.

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What I would really do is have a list of Classes that each have homework.

And each student could be in multiple Classes, etc, but it really all up to you

Have fun with it!