List Operations

pop removes and returns an element, while del removes an element without returning it. Appending to the end of a Python list is constant time, while inserting at the front is linear time. Removing an element from the front of a Python list is a linear-time operation because remaining elements shift. Removing an element from the end of a Python list avoids shifting. append adds a single element, while extend appends multiple elements from another list. The article recommends removing from the end of a list unless there is a specific architectural reason not to.