tvl-depot/users/wpcarro/scratch/facebook/shuffle.py
Vincent Ambo 019f8fd211 subtree(users/wpcarro): docking briefcase at '24f5a642'
git-subtree-dir: users/wpcarro
git-subtree-mainline: 464bbcb15c
git-subtree-split: 24f5a642af
Change-Id: I6105b3762b79126b3488359c95978cadb3efa789
2021-12-14 02:15:47 +03:00

17 lines
324 B
Python

from random import randint
def get_random(i, j):
return randint(i, j)
def shuffle(xs):
for i in range(len(xs)):
j = get_random(i, len(xs) - 1)
xs[i], xs[j] = xs[j], xs[i]
xs = list(range(1, 53))
print(xs)
assert len(set(xs)) == 52
shuffle(xs)
assert len(set(xs)) == 52
print(xs)
print("Success!")