Learn Programming in Python with Cody Jackson

Creating dictionaries

As previously stated, you create dictionaries and access items through a key. The key can be of any immutable type, such as a string, number, or tuple; basically, anything that can't be changed. Each key's associated value can be any type of object, including other dictionaries. The basic use of dictionaries is displayed in the following screenshot:

Basic dictionary operations

Line 19 creates the dictionary. Note that the brackets for dictionaries are curly braces, the separator between a key word and its associated value is a colon, and that each key:value is separated by a comma. In this example, the first mapping is ...