Generate random integers between 0 and 9

Question

How can I generate random integers between 0 and 9 (inclusive) in Python?

For example, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9

Solution 1

Try:

from random import randrange
print(randrange(10))

Docs: https://docs.python.org/3/library/random.html#random.randrange

Solution 2

import random
print(random.randint(0,9))

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random.randint(a, b)

Return a random integer N such that a <= N <= b.

Docs: https://docs.python.org/3.1/library/random.html#random.randint

Solution 3

Try this:

from random import randrange, uniform

# randrange gives you an integral value
irand = randrange(0, 10)

# uniform gives you a floating-point value
frand = uniform(0, 10)

Solution 4

from random import randint

x = [randint(0, 9) for p in range(0, 10)]

This generates 10 pseudorandom integers in range 0 to 9 inclusive.

Solution 5

The secrets module is new in Python 3.6. This is better than the random module for cryptography or security uses.

To randomly print an integer in the inclusive range 0-9:

from secrets import randbelow
print(randbelow(10))

For details, see PEP 506.

Note that it really depends on the use case. With the random module you can set a random seed, useful for pseudorandom but reproducible results, and this is not possible with the secrets module.

random module is also faster (tested on Python 3.9):

>>> timeit.timeit("random.randrange(10)", setup="import random")
0.4920286529999771
>>> timeit.timeit("secrets.randbelow(10)", setup="import secrets")
2.0670733770000425

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