How to make a randomizer in Python

Create a randomizer in Python with an easy-to-follow example. Learn how to generate numbers, shuffle lists, and more!

Randomizer in Python

A randomizer is a program that generates a sequence of numbers that are unpredictable and cannot be determined by an algorithm. In Python, random numbers can be generated using the random module. This module contains various functions for generating random numbers.

The random module provides the random() function to generate a random float number between 0.0 and 1.0 (including 0.0 but not 1.0). For example, the following code generates a random float number:

import random

x = random.random()
print(x)

The random module also provides the randint() function to generate a random integer between two specified numbers. For example, the following code generates a random integer between 1 and 10:

import random

x = random.randint(1, 10)
print(x)

The random module also provides the choice() function to randomly select an item from a list. For example, the following code randomly selects an item from a list:

import random

lst = [1, 2, 3, 4, 5]
x = random.choice(lst)
print(x)

The random module also provides the shuffle() function to shuffle the items of a list. For example, the following code randomly shuffles a list of numbers:

import random

lst = [1, 2, 3, 4, 5]
random.shuffle(lst)
print(lst)

The random module also provides the sample() function to randomly select a specified number of items from a list. For example, the following code randomly selects three items from a list:

import random

lst = [1, 2, 3, 4, 5]
x = random.sample(lst, 3)
print(x)

Random numbers can be useful for various applications such as games, simulations, and cryptography.