python第十六天作业

1、函数对象优化多分支if的代码练熟

def login():
    print('登录功能')


def transfer():
    print('转账功能')


def check_banlance():
    print('查询余额')


def withdraw():
    print('提现')


def register():
    print('注册')


func_dic = {
    '0': ['退出', None],
    '1': ['登录', login],
    '2': ['转账', transfer],
    '3': ['查询余额', check_banlance],
    '4': ['提现', withdraw],
    '5': ['注册', register]
}
while True:
    for k in func_dic:
        print(k, func_dic[k][0])

    choice = input('请输入命令编号：').strip()
    if not choice.isdigit():
        print('必须输入编号')
        continue

    if choice == '0':
        break
    if choice in func_dic:
        func_dic[choice][1]()
    else:
        print('输入的指令不存在')

2、编写计数器功能，要求调用一次在原有的基础上加一

"""
 温馨提示：
 I: 需要用到的知识点：闭包函数 +
 nonlocal
 II: 核心功能如下：

 def counter():
     x += 1
     return x



 要求最终效果类似
 print(couter())  # 1
 print(couter())  # 2
 print(couter())  # 3
 print(couter())  # 4
 print(couter())  # 5

"""

def number_func():
    x = 0
    def counter():
        nonlocal x
        x += 1
        return x
    return counter

counter = number_func()
print(counter())
print(counter())
print(counter())
print(counter())
print(counter())