Vergeo Valentino Gunawan 10K2

import json
import random

def get_stored_number() :
    try :
        with open("data.json", "r") as file :
            return json.load(file)
    except :
        return None

def ask_favorite_number() :
    favorite_number = input("What is your favorite number?")
    with open("data.json", "w") as file :
        json.dump(favorite_number, file)
    return favorite_number

def guess_favorite_number() :
    favorite_number = random.randint(0, 100)
    ask = input(f"Is '{favorite_number}' your favorite number? (Y/N)")
    if ask == "Y" :
        with open("data.json", "w") as file :
            json.dump(favorite_number, file)
        return favorite_number
    else :
        favorite_number = ask_favorite_number()
    return favorite_number

def ask_user() :
    favorite_number = get_stored_number()
    if favorite_number :
        print(f"I know your favorite_number, it's {favorite_number}")
    else :
        favorite_number = guess_favorite_number()
        print(f"I'll remember '{favorite_number}' is your favorite number ...")

ask_user()