Serialize and Deserialize complex JSON in Python

working_with_json.py

from typing import List
import json


class Student(object):
    def __init__(self, first_name: str, last_name: str):
        self.first_name = first_name
        self.last_name = last_name
    @classmethod
    def from_json(cls, data):
        return cls(**data)

      
class Team(object):
    def __init__(self, students: List[Student]):
        self.students = students
    @classmethod
    def from_json(cls, data):
        students = list(map(Student.from_json, data["students"]))
        return cls(students)

      
student1 = Student(first_name="Jake", last_name="Foo")
student2 = Student(first_name="Jason", last_name="Bar")
team = Team(students=[student1, student2])

# Serializing
data = json.dumps(team, default=lambda o: o.__dict__, sort_keys=True, indent=4)
print(data)

# Deserializing
decoded_team = Team.from_json(json.loads(data))
print(decoded_team)
print(decoded_team.students)