Note that Python will allow you to mix data types within your dictionary. Here, I have mixed strings and integers. This list stores a set of numbers with the person’s first name used as the key.

The dictionary functions in a similar fashion to the Python list, in that it is a collection of data. In this case, however, dictionaries hold key-value pairs instead of single values.

Now available in an official beta release, Python 3.8 brings a number of slick syntax changes, memory sharing, more efficient serialization and deserialization, revamped dictionaries, and much more.

How to use arrays in Python To create an array in Python, we can use a type of variable called a “dictionary.” This is an associative array, meaning that it is made of value/key pairs.