Answer Happy

class ItemToPurchase:
def __init__(self, name='none', price=0, quantity=0,
description='none'):
self.item_name=name
self.item_description=description
self.item_price=price
self.item_quantity=quantity
def print_item_description(self):
print('%s: %s' % (self.item_name, self.item_description))
class ShoppingCart:

# constructor to initialize the shopping cart
def __init__(self, customer_name = 'none', current_date = 'January
1, 2016', cart_items = []):
self.customer_name = customer_name
self.current_date = current_date
self.cart_items = cart_items

# method to add an item to the shopping cart
def add_item(self, itemToPurchase):
self.cart_items.append(itemToPurchase)

# method to remove an item from the shopping cart
def remove_item(self, itemName):

tremove_item = False
# loop to find the item in the cart
for item in self.cart_items:
if item.item_name == itemName:
self.cart_items.remove(item)
tremove_item = True
break
# item not found
if not tremove_item:
print('Item not found in cart. Nothing removed.')

# method to modify an item's quantity in the shopping cart
def modify_item(self, itemToPurchase):

tmodify_item = False
# loop to find an item
for i in range(len(self.cart_items)):

if self.cart_items.item_name == itemToPurchase.item_name:
tmodify_item = True
self.cart_items.item_quantity =
itemToPurchase.item_quantity
break

# item not found
if not tmodify_item:
print('Item not found in cart. Nothing modified.')
# method to return the total quantity of all items in the
shopping cart
def get_num_items_in_cart(self):
num_items = 0
for item in self.cart_items:
num_items = num_items + item.item_quantity
return num_items

# method to return the total cost of all items in the shopping
cart
def get_cost_of_cart(self):
total_cost = 0
cost = 0
for item in self.cart_items:
cost = (item.item_quantity * item.item_price)
total_cost += cost
return total_cost

# method to print the total cost of the cart
def print_total(self):
total_cost = self.get_cost_of_cart()
if (total_cost == 0):
print('SHOPPING CART IS EMPTY')
else:
print('{}\'s Shopping Cart - {}'.format(self.customer_name,
self.current_date))
print('Number of Items: %d\n' %self.get_num_items_in_cart())
for item in self.cart_items:
total = item.item_price * item.item_quantity
print('%s %d @ $%d = $%d' % (item.item_name, item.item_quantity,
item.item_price, total))

print('\nTotal: $%d' %(total_cost))

# method to print the item's description
def print_descriptions(self):
if len(self.cart_items) == 0:
print('SHOPPING CART IS EMPTY')
else:
print('{}\'s Shopping Cart - {}'.format(self.customer_name,
self.current_date))
print('\nItem Descriptions')
for item in self.cart_items:
item.print_item_description()

# method to display the menu options and based on user's choice
perform the operation
def print_menu(newCart):
customer_Cart = newCart
menu = ('\nMENU\n'
'a - Add item to cart\n'
'r - Remove item from cart\n'
'c - Change item quantity\n'
"i - Output items' descriptions\n"
'o - Output shopping cart\n'
'q - Quit\n')

command = ''
while(command != 'q'):
print(menu)
command = input('Choose an option:\n')
while(command != 'a' and command != 'o' and command != 'i' and
command != 'q' and command != 'r' and command != 'c'):
command = input('Choose an option:\n')
if(command == 'a'):
print("\nADD ITEM TO CART")
item_name = input('Enter the item name:\n')
item_description = input('Enter the item description:\n')
item_price = int(input('Enter the item price:\n'))
item_quantity = int(input('Enter the item quantity:\n'))
itemtoPurchase = ItemToPurchase(item_name, item_price,
item_quantity, item_description)
customer_Cart.add_item(itemtoPurchase)

elif(command == 'o'):
print('\nOUTPUT SHOPPING CART')
customer_Cart.print_total()
elif(command == 'i'):
print('\nOUTPUT ITEMS\' DESCRIPTIONS')
customer_Cart.print_descriptions()
elif(command == 'r'):
print('REMOVE ITEM FROM CART')
itemName = input('Enter name of item to remove:\n')
customer_Cart.remove_item(itemName)
elif(command == 'c'):
print('\nCHANGE ITEM QUANTITY')
itemName = input('Enter the item name:\n')
qty = int(input('Enter the new quantity:\n'))
itemToPurchase = ItemToPurchase(itemName,0,qty)
customer_Cart.modify_item(itemToPurchase)

if __name__ == "__main__":
customer_name = input("Enter customer's name:\n")
current_date = input("Enter today's date:\n")
print("\nCustomer name: %s" %customer_name)
print("Today's date: %s" %current_date)
newCart = ShoppingCart(customer_name, current_date)
print_menu(newCart)

#end of program
There is a little yellow error that can't give me a score, so I
need help with that yellow spot that I can't fix it!!!.
Thank you
9: Compare output Output differs. See highlights below. Special character legend John Doe February 1, 2016 a Nike Romaleos Input Volt color, Weightlifting shoes 189 2 q ADD ITEM TO CART Enter the item name: Enter the item description: Enter the item price: Enter the item quantity: MENU a - Add item to cart I - Remove item from cart C- Change item quantity i - Output items' descriptions 0- Output shopping cart q - Quit Choose an option: OUTPUT SHOPPING CART John Doe's Shopping Cart Number of Items: 2 Nike Romaleos 2 @ $189 = $378 Total: $378 MENU 8 - Add item to cart. r Remove item from cart. C- Change item quantity Your output ends with o b February 1, 2016 0/3

Expected output ends with MENU a Add item to cart I - Remove item from cart C - Change item quantity 1 - Output items' descriptions O Output shopping cart q - Quit Choose an option: ADD ITEM TO CART Enter the item name: Enter the item description: Enter the item price: Enter the item quantity: MENU a Add item to cart r Remove item from cart C - Change item quantity 1 Output items' descriptions O Output shopping cart q - Quit Choose an option: OUTPUT SHOPPING CART John Doe's Shopping Cart Number of Items: 2 Nike Romaleos 2 @ $189 = $378 Total: $378 MENU a - Add item to cart I Remove item from cart C - Change item quantity i - Output items' descriptions O Output shopping cart q Quit - Choose an option: February 1, 2016