How to Create Dictionary in Python

In this blog you will lean how to create and perform operation on dictionary in python.

Dictionary

• Dictionary is one of the most important and useful datatypes of python programming language 
• Dictionary pair is a pair of keys and values associated with keys.

 

For Example: 

 

dictionary={"name":"ajay","age":23} 

 

This dictionary haves 2 key and 2 values

 

 

Creating a Dictionary

 

Creating dictionary in python is very simple. Just write variable name and assigning key and value within {} brackets.

dictionary={"name":"ajay","age":23}

Dictionary is created successfully

 

Accessing Dictionary Value

 

In Python's dictionary key is reference for values, means for accessing value we used key as the reference.

dictionary={"name":"ajay","age":23}
print("name: ",dictionary["name"])
print("age: ",dictionary["age"])

Output

 

 

Method for getting keys and values

 

In python programming language keys() and values() method is used to get keys and values. 

• keys()- get all keys from dictionary
• values()-get all values from dictionary

dictionary={"name":"ajay","age":23}
print("keys: ",dictionary.keys())
print("values: ",dictionary.values())

Output