9-4 就餐人数/ 9-5 尝试登录次数

1. 题目

 

2. 代码

class Restaurant():
    def __init__(self, restaurant_name, cuisine_type):
        self.restaurant_name = restaurant_name
        self.cuisine_type = cuisine_type
        self.number_served = 0  # 添加属性，设置默认值为0

    def describle_restaurant(self):
        print(self.restaurant_name, self.cuisine_type)

    def open_restaurant(self):
        print("Now is opening...")

    def read_restaurant(self):
        print("The restaurant have " + str(self.number_served) + ' people eating.')

    def set_number_served(self, member):    # 添加方法，设置就餐人数
        self.number_served = member

    def increment_number_served(self, members): # 添加方法，设置递增人数
        self.number_served += members

restaurant = Restaurant('Kaoyu',10) # 创建实例
restaurant.read_restaurant()    # 初始化设置为0

restaurant.number_served = 30   # 修改值
restaurant.read_restaurant()

restaurant.set_number_served(100) # 调用方法，传值
restaurant.read_restaurant()

restaurant.increment_number_served(200)
restaurant.read_restaurant()
print(">>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>")


class User():   # 创建User类
    def __init__(self, first_name, last_name, age, address, phone): # 属性
        self.first_name = first_name
        self.last_name = last_name
        self.age = age
        self.address = address
        self.phone = phone
        self.login_attempts = 0 # 添加属性

    def describe_user(self):    # 方法
        print(self.first_name,
              self.last_name,
              self.age,
              self.address,
              self.phone)

    def greet_user(self):   # 方法
        print("How beautiful name " + self.last_name + self.last_name,
              "\n too young, too simple", "your homeland " + self.address
              + " is a warm place, ", "could you tell me your contact?")

    def increment_login_attempts(self, number1):    # 递增方法
        self.login_attempts += number1  # 值加1
        print("共登录用户量：" + str(self.login_attempts))

    def reset_login_attempts(self, number2):    # 重置方法，重置为0
        self.login_attempts = 0
        print("共登录用户量：" + str(self.login_attempts))

user = User('Michile', 'Jadon', 40, 'Chicago', 10089)   # 创建实例
user.increment_login_attempts(1)    #调用递增方法

user.reset_login_attempts(0) # 调用重置方法

user.increment_login_attempts(1)    #调用递增
user.increment_login_attempts(1)    #再次调用
user.increment_login_attempts(1)    #第三次调用，此时值应该为3（每次递增1）

　　3. 执行结果

D:\python编程：从入门到实践\venv\Scripts\python.exe D:/python编程：从入门到实践/Restaturant02.py
The restaurant have 0 people eating.
The restaurant have 30 people eating.
The restaurant have 100 people eating.
The restaurant have 300 people eating.
>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
共登录用户量：1
共登录用户量：0
共登录用户量：1
共登录用户量：2
共登录用户量：3

Process finished with exit code 0