In this tutorial we are going to learn :

  • Dictionaries In Python
  • Creating Items and Accessing Items
  • Change Dictionary Items
  • Checking Items and Getting Lenght

 

 

 

Dictionaries in Python

 

Dictionary is an unordered, changeable, and indexed collection of items.

  • Dictionaries have key and value.
  • They are written with curly brackets

 

 

 

Creating Items and Accessing Items

 

We use curly brackets to create a dictionary.

  • We also use the dict() method to create a dictionary.
  • To access items in a dictionary, you can use the get() method.

 

Example :

 

 

 

Change Dictionary Items

 

We can also change the value of a specific item by referring to its key name.

Example :

 

 


Checking Items and Getting Lenght


We can use the in keyword to learn if the item exists in dictionary.
To get length of a dictionary , you can use the len() method.

Example :

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