Class Method and Static Method in Python

example2.py

class Student:
    def __init__(self, first_name, last_name):
        self.first_name = first_name
        self.last_name = last_name
        self.nickname = None

    def set_nickname(self, name):
        self.nickname = name

    @classmethod
    def get_from_string(cls, name_string: str):
        first_name, last_name = name_string.split()
        return Student(first_name, last_name)

    @classmethod
    def get_from_json(cls, json_obj):
        pass
        # return student

    @classmethod
    def get_from_excle(cls, excle_file):
        pass
        # return student
    
    @classmethod
    def get_from_audio_record(cls,audio):
        pass
        # return student