How to create python dictionary

we can create python dictionary in four ways.

1. Empty dictionary

We can create an empty dictionary. In an empty dictionary, there is no key or value. 

Only we have to declare a dictionary variable and simply place the curly braces.

emptyDic = { }

Print( emptyDic )

Output

{ }

2. Dictionary with Integer keys

dic1 = { 1 : ‘One’, 2 : ‘Two’, 3 : ‘Three’, 4 : ‘Four’ }

print( dic1 )

Output

{ 1 : ‘One’, 2 : ‘Two’, 3 : ‘Three’, 4 : ‘Four’ }

3. Dictionary with String keys

dic2 = { ‘Name’ : ‘Ajay’, ‘Class’ : 12, ‘City’ : ‘Indore’ }

print( dic2 )

Output

{ ‘Name’ : ‘Ajay’, ‘Class’ : 12, ‘City’ : ‘Indore’ }

4. Dictionary with mixed keys

dic3 = { 1 : ‘One’, ‘Two’ : 2, ‘Book’ : ‘IP’ }

print( dic3 )

Output

{ 1 : ‘One’, ‘Two’ : 2, ‘Book’ : ‘IP’ }

we have learned 4 ways to create python dictionary.

Important Links: Informatics Practices

What is Python Dictionary
How to Traverse Dictionary in Python
Dictionary functions in Python with examples
What is Python List
Characteristics of Python List
How to create Python List
How to Traverse a List in Python
How to Manipulate List in Python
How to Modify multiple elements in Python List
Slicing in Python List
How to delete elements from List in Python

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