What is Dictionary in Python?

 A dictionary is a data structure used to store data as key–value pairs. One is Keyword and another is Value for that keyword.

Example:

person = {"name": "Manoj", "age": 15, "city": "Chennai"}

Values in a dictionary are accessed using keys instead of index numbers.

person = {"name": "Mohan", "age": 25, "city": "Chennai"}

print(person["name"])

It will print the value for the key "name".

Dictionaries are changeable (mutable). You can update old values with new values using the key.

person = {"name": "Raj", "age": 25}

person["age"] = 30

print(person)

A dictionary can also store different data types in the same structure.

person = {"name": "Kavi", "age": 25, "height": 175.5, "is_employee": True}