Adding items

Add items with add_item.

Adding items (append)

In this lesson we'll introduce the append list method. append adds an item to a list:

cart = []
cart.append("Apple")
print(cart)  # ['Apple']

cart.append(...) places a new item at the end of the cart. Since the cart list is mutable, items can be added later. This is the most common use of lists.

Adding multiple items

To add several items to the cart, call append a few times:

cart = []
cart.append("Apple")
cart.append("Bread")
cart.append("Milk")
print(cart)  # ['Apple', 'Bread', 'Milk']

Each append call adds one more item to the list. The final cart holds all items.

Multiple append calls are the simplest way to fill the cart step by step.

Exercise Add items and print

Define the empty cart with cart = []. Add cart.append("Apple") and cart.append("Bread"). Print print(cart).

Show example solution

cart = []
cart.append("Apple")
cart.append("Bread")
print(cart)

Test yourself

What does cart.append("Bread") do?
- Removes Bread from the cart
- Shows Bread
- Empties the cart
- Adds Bread to the cart
Show answer

Adds Bread to the cart — append adds an item to the list.

Complete the append call

cart = []
cart.____("Apple")

Show answer

cart = []
cart.append("Apple")

Match the list methods

append

Add an item
[]

Empty list
cart

Cart variable
print(cart)

Show the cart

Next lesson: Calculating totals

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