card dealing simulation

import copy
import random
import timeit

max_cards = 30
simulations = 10000

print('simulations = {}'.format(simulations))

dict_deck = {i: 1 for i in range(52)}
list_deck = range(52)

def method1(num_to_deal):
    dealt_cards = []
    dealt_cards.append(random.randint(0,51))
    for i in range(num_to_deal-1):
        card = random.randint(0,51)
        while card in dealt_cards:
            card = random.randint(0,51)
        dealt_cards.append(card)

    return dealt_cards


def method1a(num_to_deal):
    dealt_cards = {}
    for i in range(num_to_deal):
        card = random.randint(0, 51)
        while card in dealt_cards:
            card = random.randint(0,51)
        dealt_cards[card] = 1

    return dealt_cards.keys()


def method2(num_to_deal):
    deck = copy.copy(list_deck)
    dealt_cards = []
    for i in range(num_to_deal):
        card = random.randint(0,len(deck)-1)
        dealt_cards.append(deck[card])
        deck.remove(deck[card])

    return dealt_cards


def method2a(num_to_deal):
    deck = copy.copy(list_deck)
    return map(lambda x: deck.pop(random.randint(0,len(deck)-1)), range(num_to_deal))


def method3(num_to_deal):
    deck = dict_deck.copy()
    return map(lambda x: deck.pop(random.choice(deck.keys())), range(num_to_deal))


def method4(num_to_deal):
    return random.sample(range(52), num_to_deal)


for num_cards in range(1, max_cards, 10):
    print("------------------------------------------------ {}".format(num_cards))
    for fn, label in (
        (method1, 'Collision'),
        (method1a, 'Dict Collision'),
        (method2, 'List reduction'),
        (method2a, 'Simplified List reduction'),
        (method3, 'dict reduction'),
        (method4, 'random sample'),
    ):
        elapsed_time = min(timeit.repeat(lambda: fn(num_cards), number=simulations, repeat=5))
        print('%40s: %0.1fk/s' % (label, (1/(elapsed_time/simulations)/1000.0)))