>>> [p for p in range(2, 100) if [i for i in range(2, p) if p % i == 0] == []]
[2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53, 59, 61, 67, 71, 73, 79, 83, 89, 97]