Python 4.1 4.2

Element query

A question about an element in a collection.

List insert

Add an element to a list at a position.

List append

Add an element to the end of a list.

List extend

Copy all elements of one list to the end of another list.

List delete

Take an element out of a list by its index.

List remove

Take an element out of a list by its value.

Collection

A grouping of information.

List

A changeable collection of ordered elements.

Element

A value in a collection at a position.

Iterate

Operate on the elements of a collection, one at a time in sequential order.

For-each loop

A loop that iterates over each element in a collection.

Index

The zero-based position of an element in a collection.

Length

The number of elements in a collection.