List Comprehension

List comprehension is a technique that uses a for loop and optionally a condition to create a new list from an existing one. The result is always a new list, so it’s good practice to assign a list comprehension to a new variable.

Structure

A list comprehension statement is always enclosed in square brackets, []. The comprehension consists of three main parts:

• The expression is an operation used to create elements in the new list.

• The for loop will iterate an existing list. The iterator will be used in the expression. ...