模拟洗牌过程，模拟洗牌,import rando

模拟洗牌过程，模拟洗牌,import rando

import randomimport timedef flushcards(cards,count,pushstatic):    """    cards:牌    count:洗牌次数    """    print(u"洗牌次数:"+str(count))    clen=len(cards)    while count>0:        p2=cards[:clen//2+random.randint(-1,1)]#切牌的随机性        p2_len=len(p2)        p4=cards[p2_len:]        p4_pos=0        p4_len=len(p4)        for i in p2:            pos=random.randint(p4_pos,p4_len)            p4.insert(pos,i)            p4_pos=pos            p4_len=len(p4)        for i in p4:            i_index=cards.index(i)            pushstatic[i][i_index]+=1        count-=1        del p2        del cards        cards=p4        #flushcards(p4,count,pushstatic)def main():    ls=[str(i) for i in range(2,11)]+list("JQKA")    static={i:[0 for j in ls] for i in ls}    print("Prepare to doooo!")    t2=time.clock()    flushcards(ls,100000,static)    t4=time.clock()    print("{0:>5}{1}".format("Pos->","".join(["{0:^7}".format(x) for x in range(1,len(ls)+1)])))    for rs in sorted(static.keys()):        print("{0:>5}{1}".format(str(rs)+"->","".join(["{0:^7}".format(x) for x in static[rs]])))    print("Ending,use {0} seconds!".format(t4-t2))if __name__=="__main__":    main()#该片段来自于http://byrx.net