>>> import random
>>> [i for i in random.sample(range(100), 100) if i%10<5]
[24, 23, 62, 90, 80, 12, 4, 30, 43, 92, 21, 33, 41, 63, 52, 44, 81, 61, 31, 70, 73, 20, 0, 74, 2, 84, 11, 53, 13, 42, 50, 64, 60, 32, 71, 34, 72, 51, 1, 22, 91, 94, 40, 14, 82, 93, 3, 83, 54, 10]

>>> gen = (i for i in random.sample(range(100), 100) if divmod(i,5)[0]%2==0)
>>> next(gen)
80
>>> next(gen)
53
>>> next(gen)
42
>>> next(gen)
43
>>> next(gen)
72
>>> next(gen)
40
>>> next(gen)
94