ShuffleVsSample

from __future__ import print_function
import timeit

# Size of list to make random selection from
LIST_SIZE = 100
# Number of timeit runs
NUM_RUNS = 100000
# Number of items to choose
NUM_ITEMS = 10


sample = '''
import random
maps = list(range({}))
def sample(maps, n):
    for i, m in enumerate(random.sample(maps,n)):
        yield i, m
'''.format(LIST_SIZE)


shuffle='''
import random
maps = list(range({}))
def shuffle(maps, n):
    new = list(maps)
    random.shuffle(new)
    for i, m in enumerate(new[:n]):
        yield i, m
'''.format(LIST_SIZE)


print('***SAMPLE***')
print(timeit.timeit('list(sample(maps, {}))'.format(NUM_ITEMS), setup=sample, number=NUM_RUNS))
print('***SHUFFLE**')
print(timeit.timeit('list(shuffle(maps, {}))'.format(NUM_ITEMS), setup=shuffle, number=NUM_RUNS))