Table of Contents
Picking a Random Element from a List
Using random.choice()
Using secrets.choice() (for Cryptographically Secure Randomness)
Using random.SystemRandom() (Older Python Versions)
Home Backend Development Python Tutorial How to Randomly Select an Element from a List in Python?

How to Randomly Select an Element from a List in Python?

Dec 15, 2024 am 01:23 AM

How to Randomly Select an Element from a List in Python?

Picking a Random Element from a List

Randomly selecting an item from a list is a common task in programming. Here's how you can do it in Python.

Using random.choice()

The most straightforward method is to use the random.choice() function. This function returns a randomly selected element from the specified list. For instance, consider the following list:

foo = ['a', 'b', 'c', 'd', 'e']
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To retrieve a random item from this list, you can use:

import random
print(random.choice(foo))
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This will print a random element from the foo list.

Using secrets.choice() (for Cryptographically Secure Randomness)

For cryptographically secure random choices, such as generating passphrases, the secrets module is recommended. As of Python 3.6, it includes the secrets.choice() function.

import secrets
print(secrets.choice(foo))
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Using random.SystemRandom() (Older Python Versions)

If you're using an older version of Python, you can utilize the random.SystemRandom class for secure random choices.

import random
secure_random = random.SystemRandom()
print(secure_random.choice(foo))
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