>>428
import random
n = 10
x = 10000000
lst = list(range(n))
lst = [random.sample(lst, n) for _ in range(x)]
-------------------------------------------------------
Wall time: 2min 3s

import numpy as np
n = 10
x = 10000000
lst = np.array([np.random.choice(n, n) for _ in range(x)])
------------------------------------------------------
Wall time: 1min 42s

>>426
早いけどなぜか乱数が重複するみたいです。。。
なぜだろう。。。