关于#python#的问题：求解python入门

Question

设计一个Shop 类，类中的属性包括商品名字的列表，names = [“caffee”, “water”, “apple”, “milk”], 价格列表 price = [5.0, 2.0, 3.5, 11.5] ，类中包含方法一shopInfo，打印每件商品的名字和对应价格，方法二 allProduct，求出所有商品的价格总和，并打印出来。
在主程序中创建Shop类对象，调用方法一、方法二

Answer 1

class Shop(object):
    def __init__(self):
        self.names = ["caffe", "water", "apple", "milk"]
        self.prices = [5.0, 2.0, 3.5, 11.5]
    
    def shopInfo(self):
        for name, price in zip(self.names, self.prices):
            print(f"{name} {price}")
    
    def allProduct(self):
        sum = 0.0
        for price in self.prices:
            sum += price
        print(f"Total price: {sum}")

def main():
    shop = Shop()
    shop.shopInfo()
    shop.allProduct()

if __name__ == "__main__":
    main()