Encapsulation with Getters/Setters in Python

1# Program to demonstrate encapsulation using properties
2
3class Account:
4    def __init__(self, balance=0):
5        self._balance = balance
6
7    @property
8    def balance(self):
9        return self._balance
10
11    @balance.setter
12    def balance(self, amount):
13        if amount < 0:
14            raise ValueError("Balance cannot be negative")
15        self._balance = amount
16
17acc = Account(100)
18print(acc.balance)
19acc.balance = 150
20print(acc.balance)