Python Dictionary What is a Python Dictionary? A Python dictionary is a data structure that stores data in key-value pairs. A key is a unique identifier for a value, and a value can be any type of data. Dictionaries are often used to store data that is related in some way, such as the names and ages of students in a class. How to Create a Python Dictionary To create a Python dictionary, you can use the dict() constructor. The dict() constructor takes a sequence of key-value pairs as its argument. For example, the following code creates a dictionary that stores the names and ages of three students: Code snippet students = dict([('John', 12), ('Mary', 13), ('Peter', 14)]) Accessing Values in a Python Dictionary You can access the value associated with a key in a Python dictionary using the [] operator. For example, the following code prints the age of the student named "John": Code snippet print(students['John']) Adding and Removing Items ...