from datetime import datetime, timezone import time class User: username = None password = None codemeli = None is_deleted = None created_at = None updated_at =None deleted_at= None def __init__(self): self.created_at = get_current_time() def get_current_time(): return datetime.now(timezone.utc) class Account: acc_type = None acc_num = None balance = None username = None def __init__(self): self.balance=100 class Transaction: acc_num= None time= None transaction_type= None amount= None def __init__(self): self.time= time.time()