def calculate_subtotal(order):
""" Calculates the subtotal of an order
[IMPLEMENT ME]
1. Add up the prices of all the items in the order and return the sum
Args:
order: list of dicts that contain an item name and price
Returns:
float = The sum of the prices of the items in the order
"""
print('Calculating bill subtotal...')
# WRITE SOLUTION HERE
subtotal = 0
item_price = [item['price'] for item in order]
for i in item_price:
subtotal = subtotal + i
return subtotal
def calculate_tax(subtotal):
""" Calculates the tax of an order
[IMPLEMENT ME]
1. Multiply the subtotal by 15% and return the product rounded to two decimals.
Args:
subtotal: the price to get the tax of
Returns:
float - The tax required of a given subtotal, which is 15% rounded to two decimals.
"""
print('Calculating tax from subtotal...')
# WRITE SOLUTION HERE
tax = subtotal*15/100
tax = "%.2f" % tax
return tax
def summarize_order(order):
""" Summarizes the order
[IMPLEMENT ME]
1. Calculate the total (subtotal + tax) and store it in a variable named total (rounded to two decimals)
2. Store only the names of all the items in the order in a list called names
3. Return names and total.
Args:
order: list of dicts that contain an item name and price
Returns:
tuple of names and total. The return statement should look like
return names, total
"""
print_order(order)
# WRITE SOLUTION HERE
total = order
print(total)
# This function is provided for you, and will print out the items in an order
def print_order(order):
print('You have ordered ' + str(len(order)) + ' items')
items = []
items = [item["name"] for item in order]
print(items)
return order
# This function is provided for you, and will display the menu
def display_menu():
print("------- Menu -------")
for selection in menu:
print(
f"{selection}. {menu[selection]['name'] : <9} | {menu[selection]['price'] : >5}")
print()
# This function is provided for you, and will create an order by prompting the user to select menu items
def take_order():
display_menu()
order = []
count = 1
for i in range(3):
item = input('Select menu item number ' +
str(count) + ' (from 1 to 5): ')
count += 1
order.append(menu[int(item)])
return order
'''
Here are some sample function calls to help you test your implementations.
Feel free to change, uncomment, and add these as you wish.
'''
def main():
order = take_order()
print_order(order)
subtotal = calculate_subtotal(order)
print("Subtotal for the order is: " + str(subtotal))
tax = calculate_tax(subtotal)
print("Tax for the order is: " + str(tax))
Фрагменты кода надо размещать в виде текста и оборачивать тэгом code для корректного отображения. Удобно делать кнопкой </>
Это обязательно, см.п.3.8 Регламента.
Сюда же относится traceback, ввод и вывод в консоли и другая структурированная текстовая инфа.
