random_test.py

import random
ranges = [
        32767,
        2147483647,
        9223372036854775807,
        ]
for range in ranges:
    print('generating integers in range 0-%i') % range
    count = 0
    cur_rand = 0
    last_rand = 1
    while cur_rand != last_rand:
        last_rand = cur_rand
        cur_rand = (random.randint(0,range) % 100000)
        count += 1
    print('found sequential random collision after %i iterations') %  (count)