class Account:
def __init__(self,owner,amount:float):
self.__owner=owner
self.__amount=amount
@property
def owner(self):
return self.__owner
@property
def amount(self):
return self.__amount
interest_rate=0.56
def exchange(self):
return float(self.owner*Account.interest_rate)
#客户名字
name = input()
#存入钱款
amount = float(input())
account1 = Account(owner=name, amount=amount)
print("客户{0}的余额为{1},兑换后的美元余额最多为{2}".format(account1.owner, account1.amount,account1.exchange()))
# 一天之后 更改汇率为0.78
Account.interest_rate = 0.78
#返回兑换后的美元余额
print("客户{0}的余额为{1},兑换后的美元余额最多为{2}".format(account1.owner, account1.amount,account1.exchange()))