uniq.py

import random

my_set = set(range(100))
my_list = list(range(100))

N = 10
ATTEMPTS = 5

print('\nVariant 1: using generator')
for _ in range(ATTEMPTS):
    gen = iter(my_set)
    sample = [next(gen) for _ in range(N)]
    print(sample)
    # [0, 1, 2, 3, 4, 5, 6, 7, 8, 9]
    # [0, 1, 2, 3, 4, 5, 6, 7, 8, 9]
    # [0, 1, 2, 3, 4, 5, 6, 7, 8, 9]
    # [0, 1, 2, 3, 4, 5, 6, 7, 8, 9]
    # [0, 1, 2, 3, 4, 5, 6, 7, 8, 9]

print('\nVariant 2: using mutation')
for _ in range(ATTEMPTS):
    sample = []
    while len(sample) < N:
        element = my_set.pop()
        sample.append(element)
        my_set.add(element)
    print(sample)
    # [0, 1, 2, 3, 4, 5, 6, 7, 8, 9]
    # [10, 11, 12, 13, 14, 15, 16, 17, 18, 19]
    # [20, 21, 22, 23, 24, 25, 26, 27, 28, 29]
    # [30, 31, 32, 33, 34, 35, 36, 37, 38, 39]
    # [40, 41, 42, 43, 44, 45, 46, 47, 48, 49]

print('\nVariant 3: using list')
for _ in range(ATTEMPTS):
    sample = random.sample(my_list, N)
    print(sample)
    # [40, 43, 92, 89, 41, 63, 22, 76, 64, 21]
    # [36, 2, 86, 45, 46, 23, 20, 69, 21, 79]
    # [60, 47, 34, 50, 98, 32, 79, 92, 89, 99]
    # [34, 66, 1, 97, 54, 45, 11, 57, 73, 21]
    # [87, 86, 26, 54, 16, 2, 58, 96, 88, 31]