Custom card shuffle withouy shuffle method

card_shuffle.py

from random import randrange


class Card():
    def __init__(self, rank, suit):
        self.rank = rank
        self.suit = suit


card_list = [Card("HEARTS", 4),
             Card("HEARTS", 6),
             Card("DIAMONDS", 3),
             Card("DIAMONDS", 1),
             Card("DIAMONDS", 9)
             ]


def my_shuffle(card_list):
    for i, card in enumerate(card_list):
        index = randrange(0, len(card_list))
        card1 = card_list[i]
        card2 = card_list[index]
        card_list[i] = card2
        card_list[index] = card1

    return card_list


my_shuffle(card_list)

for card in card_list:
    print "Rank %s Suit %s " % (card.rank, card.suit)