Python 3 - Number shuffle() Method

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Description

The shuffle() method randomizes the items of a list in place.

Syntax

Following is the syntax for shuffle() method −

shuffle (lst,[random])

Note − This function is not accessible directly, so we need to import shuffle module and then we need to call this function using random static object.

Parameters

• lst − This could be a list or tuple.

• random − This is an optional 0 argument function returning float between 0.0 - 1.0. Default is None

Return Value

This method returns reshuffled list.

Example

The following example shows the usage of the shuffle() method.

#!/usr/bin/python3
import random

list = [20, 16, 10, 5];
random.shuffle(list)
print ("Reshuffled list : ",  list)

random.shuffle(list)
print ("Reshuffled list : ",  list)

Output

When we run the above program, it produces the following result −

Reshuffled list :  [16, 5, 10, 20]
reshuffled list :  [20, 5, 10, 16]