# MistyRain

一个银行系统

```

# 银行系统:
money = 5000000
name = input("请输入您的姓名：")

def query():
    print(f"{name}余额剩余{money}元")

def saving(num):
    global money
    money += num
    print(f"存款{num}元成功")
    query()


def get_money(num):
    global money
    money -= num
    print(f"取款{num}元成功")
    query()

def main():
    print("请选择操作：")
    print("查询余额[输入1]")
    print("存款\t[输入2]")
    print("取款\t[输入3]")
    print("退出\t[输入4]")
    return input("请输入您的选择: ")

while True:
    i=main()
    if i=="1":
        query()
        continue
    elif i=="2":
        num=int(input("存钱金额："))
        saving(num)
        continue
    elif i=="3":
        num = int(input("取钱金额："))
        get_money(num)
        continue
    else:
        print("退出")
        break




```