Json Encode/Decode Python classes

main.py

import json
from json import JSONEncoder


class Student:
    def __init__(self, first_name, last_name):
        self._first_name = first_name
        self._last_name = last_name
    
    @property
    def first_name(self):
        return self._first_name
    
    @property
    def last_name(self):
        return self._last_name
    
    @property
    def name(self):
        return f"{self._first_name} {self._last_name}"
        

# subclass JSONEncoder
class StudentEncoder(JSONEncoder):
        def default(self, o):
            d = o.__dict__
            new_dict = {}
            for k, v in d.items():
                if k.startswith("_"):
                    k = k[1:]
                    new_dict[k] = v
            return new_dict
            
student1 = Student("Paul", "fortin")
print(student1)


studentJSONData = json.dumps(student1, indent=4, cls=StudentEncoder)
print(studentJSONData)

from_json = json.loads(studentJSONData)
print(from_json)
student2 = Student(from_json.get("first_name"), from_json.get("last_name"))
print(student2.name)