基于栈，包含进出货，查货，打印过期货物，删除货物，打印货物清单
详细代码如下，望采纳
from datetime import datetime
from collections import deque
class Product:
def __init__(self, name, expiration_date):
self.name = name
self.expiration_date = expiration_date
def is_expired(self):
today = datetime.now().date()
return self.expiration_date < today
def __str__(self):
return f"{self.name} ({self.expiration_date.strftime('%Y-%m-%d')})"
class Shelf:
def __init__(self):
self.products = deque()
def restock(self, product):
self.products.append(product)
def remove(self, product):
self.products.remove(product)
def check(self, product_name):
for product in self.products:
if product.name == product_name:
return product
return None
def check_expired(self):
expired_products = []
for product in self.products:
if product.is_expired():
expired_products.append(product)
return expired_products
def __str__(self):
product_names = [product.name for product in self.products]
return ", ".join(product_names)
shelf = Shelf()
# 进出货
apple = Product("apple", datetime(2022, 1, 1).date())
banana = Product("banana", datetime(2022, 2, 1).date())
orange = Product("orange", datetime(2022, 3, 1).date())
shelf.restock(apple)
shelf.restock(banana)
shelf.restock(orange)
# 查货
product = shelf.check("apple")
if product:
print(f"Found {product} on the shelf.")
else:
print("Product not found on the shelf.")
# 打印过期货物
expired_products = shelf.check_expired()
print(f"Expired products: {expired_products}")
# 删除货物
shelf.remove(banana)
print(f"Current products on the shelf: {shelf}")