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【Python】模拟洗牌

作者:Ev4n / 发布于2012/11/20/ 1180

import random
import time
def 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()

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