List Comprehension List comprehension offers a shorter syntax when you want to create a new list based on the values of an existing list. Example: Based on a list of fruits, you want a new …

Lists are one of 4 built-in data types in Python used to store collections of data, the other 3 are Tuple, Set, and Dictionary, all with different qualities and usage.

List comprehension offers a shorter syntax when you want to create a new list based on the values of an existing list. Example: You want to create a list of all the fruits that has the letter …

You can loop through the list items by using a while loop. Use the len() function to determine the length of the list, then start at 0 and loop your way through the list items by referring to their …

A for loop is used for iterating over a sequence (that is either a list, a tuple, a dictionary, a set, or a string). This is less like the for keyword in other programming languages, and works more like …

Python Collections (Arrays) There are four collection data types in the Python programming language: List is a collection which is ordered and changeable. Allows duplicate members. …

Like many other popular programming languages, strings in Python are arrays of bytes representing unicode characters. However, Python does not have a character data type, a …

A lambda function is a small anonymous function. A lambda function can take any number of arguments, but can only have one expression.

Execute Python Syntax As we learned in the previous page, Python syntax can be executed by writing directly in the Command Line:

Luckily we can use built-in functions as key functions when sorting a list. So if you want a case-insensitive sort function, use str.lower as a key function: