Card Random Walk

import random
import math

def distance(points):
    p0, p1 = points
    return math.sqrt((p0[0] - p1[0])**2 + (p0[1] - p1[1])**2)

trials = 10000
cards = [{'value':value+1,'suit':suit} for value in range(13) for suit in range(4)]
counts = [{'total':0, 'count':0} for i in range(len(cards))]
for i in range(trials):
    start = (0,0)
    location = start
    cardscopy = list(cards)
    random.shuffle(cardscopy)
    for c in range(len(cardscopy)):
        card = cardscopy[c]
        if card['suit'] == 0:
            location = (location[0]+card['value'], location[1])
        elif card['suit'] == 1:
            location = (location[0]-card['value'], location[1])
        elif card['suit'] == 2:
            location = (location[0], location[1]+card['value'])
        else:
            location = (location[0], location[1]-card['value'])
        dist = distance((start,location))
        counts[c]['total'] += dist
        counts[c]['count'] += 1
for i in range(len(counts)):
    count = counts[i]
    print 'Step %s average distance: %s' % (i+1, count['total'] / count['count'])