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 :
