Dictionary in Python

Dictionary in another built-in data type in Python. Below are major points with Dictionaries:

• Dictionaries have key-value pair
• Each key:value pair is called an item in dictionary
• items of a dictionary are enclosed between {}
• items of dictionary can be changed after it's creation. changed means add or remove
• key in a dictionary is unique
• key can be integer, float, string
• items can have duplicates

The syntax of dictionary is,

Dictionary-name = {key:value}

Below is the example declaration of dictionary:

name = {1:"TalentEve",2:"Embeddeddesignblog",3:"YouTube-Way2Know",4:"Myvision-thisworld"}

The below declaration is allowed with a duplicate value:

name = {1:"TalentEve",2:"Embeddeddesignblog",3:"YouTube-Way2Know",4:"Myvision-thisworld",5:"TalentEve"}

Value is can be an integer, string, float, tuple,list etc

name = {1:1,2:2.2,3:"YouTube-Way2Know",4:[1,2,3],5:(1,2,3)}