Python Random Module
The random module implements pseudo-random number generators for various distributions.
Warning: The pseudo-random generators of this module should not be used for security purposes. For security or cryptographic uses, see the secrets module.
Importing the Module
import randomRandom Integers
# Random integer between a and b (inclusive)
print(random.randint(1, 10))
# Random integer from range(start, stop, step)
print(random.randrange(0, 101, 2)) # Even number between 0 and 100Random Floats
# Random float between 0.0 and 1.0
print(random.random())
# Random float between a and b
print(random.uniform(1.5, 10.5))Sequence Operations
Choice
Pick a random element from a non-empty sequence.
items = ['apple', 'banana', 'cherry']
print(random.choice(items))Shuffle
Shuffle a sequence in place.
deck = [1, 2, 3, 4, 5]
random.shuffle(deck)
print(deck)Sample
Return a k length list of unique elements chosen from the population.
print(random.sample(range(100), 5))Seeding
Initialize the random number generator. Useful for reproducibility.
random.seed(42)
print(random.random()) # Will always print the same number for this seed