List Methods

What You’ll Learn

You’ll learn the most common methods used to modify lists.

Adding Items

• append(): Adds an element at the end of the list.
• insert(): Adds an element at the specified position.

fruits = ["apple", "banana"]
fruits.append("orange")      # ["apple", "banana", "orange"]
fruits.insert(1, "cherry")   # ["apple", "cherry", "banana", "orange"]

Removing Items

• remove(): Removes the first item with the specified value.
• pop(): Removes the element at the specified position (or the last item if no index is specified).

fruits.remove("banana")
last = fruits.pop()  # Removes and returns "orange"

Organizing Lists

• sort(): Sorts the list alphabetically/numerically.
• reverse(): Reverses the order of the list.

numbers = [4, 1, 9, 3]
numbers.sort()    # [1, 3, 4, 9]
numbers.reverse() # [9, 4, 3, 1]