def main():
print("====> first cart")
cart = ShoppingCart()
cart.add_item()
cart.remove_item()
cart.add_item()
cart.add_item()
cart.add_item()
cart.remove_item()
cart.checkout()
cart.pay()
# Go shopping again
print("====> second cart")
cart = ShoppingCart()
cart.add_item()
cart.add_item()
cart.checkout()
cart.empty_cart()
cart.add_item()
cart.checkout()
cart.pay()
# Try to add another item
print('====> Expect an error here.')
cart.add_item()
def main():
shopping_cart = ShoppingCart()
item_1 = Item("Banana", 2.5)
item_2 = Item("Juice", 1.7)
shopping_cart.add_item(item_1)
shopping_cart.add_item(item_2)
# shopping_cart.pay(PaypalPayment("*****@*****.**", "123456"))
shopping_cart.pay(
CreditCardPayment("Ivan Ivanov", "1234 1234 1234 1234", "10/21",
"123"))
from product import Product
from shopping_cart import ShoppingCart
from payment_strategies import BlikStrategy, CreditCardStrategy
if __name__ == '__main__':
product1 = Product('Banana', 4.99)
product2 = Product('Apple', 2.99)
cart = ShoppingCart()
cart.add_product(product1)
cart.add_product(product2)
cart.pay(BlikStrategy('*****@*****.**', '123456'))
cart.pay(
CreditCardStrategy('4111 1111 4555 1142', 'Jon Snow', '456', '09/27'))