Python - dict() function

The Python dict() function (or dict() constructor) is used to create dictionary using an iterable object containing key-value pairs.

Syntax

dict(iterable)

Parameters

Return Value

Returns a dictionary containing all elements of the passed arguments.

Example: Create dictionary using iterable with key-value pairs

In the example below, dict() function is used to create dictionary using iterables containing key-value pairs.

#using list of tuple as iterable
#similarly list of lists and list of sets can be used
MyList = [('name', 'John'), ('age', 25)]
MyDict = dict(MyList)
print(MyDict)

#using tuple of lists as iterable
#similarly tuple of tuples and tuple of sets can be used
MyTuple = (['name', 'John'], ['age', 25])
MyDict = dict(MyTuple)
print(MyDict)

#using set of tuple as iterable
MySet = {('name', 'John'), ('age', 25)}
MyDict = dict(MySet)
print(MyDict)

The output of the above code will be:

{'name': 'John', 'age': 25}
{'name': 'John', 'age': 25}
{'name': 'John', 'age': 25}

Create dictionary using keyword arguments:

It can also be created using keyword argument.

Syntax

dict(keyword arguments)

Parameters

Example: dict function using keyword argument

MyDict = dict(name='John', age=25)
print(MyDict)

The output of the above code will be:

{'name': 'John', 'age': 25}