Dictionary in Python

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)}

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