1 """YootNoriSimulation
   2 """ 
   3  
   4 import random 
   5  
   6 class YootNori: 
   7     pass 
   8  
   9 class Mo(YootNori): 
  10     def getUpCount(self): 
  11         return 4 
  12     def getName(self): 
  13         return "MO" 
  14     def getPossibility(self): 
  15         return 1 
  16          
  17 class Do(YootNori): 
  18     def getUpCount(self): 
  19         return 3 
  20     def getName(self): 
  21         return "DO" 
  22     def getPossibility(self): 
  23         return 4 
  24  
  25 class Ge(YootNori): 
  26     def getUpCount(self): 
  27         return 2 
  28     def getName(self): 
  29         return "GE" 
  30     def getPossibility(self): 
  31         return 6 
  32  
  33 class Gul(YootNori): 
  34     def getUpCount(self): 
  35         return 1 
  36     def getName(self): 
  37         return "GUL" 
  38     def getPossibility(self): 
  39         return 4 
  40  
  41 class Yoot(YootNori): 
  42     def getUpCount(self): 
  43         return 0 
  44     def getName(self): 
  45         return "YOOT" 
  46     def getPossibility(self): 
  47         return 1 
  48  
  49 mapOfUpCount = {4:Mo, 3:Do, 2:Ge, 1:Gul, 0:Yoot} 
  50 mapOfYootName = {'MO':Mo, 'DO':Do, 'GE':Ge, 'GUL':Gul, 'YOOT':Yoot} 
  51  
  52 class DoingYootNori: 
  53     def __init__(self, aProbabilityUp): 
  54         self.probUp = aProbabilityUp 
  55     def throwOneYoot(self): 
  56         rand = random.random() 
  57         if rand > self.probUp: 
  58             return 0 
  59         else : return 1 
  60  
  61     def throwFourYoot(self): 
  62         yootlist = [] 
  63         for i in range(4): 
  64             yootlist.append(self.throwOneYoot()) 
  65         return yootlist 
  66  
  67     def judgeYoot(self, aYootList): 
  68         upcount = aYootList.count(1) 
  69         return mapOfUpCount[upcount]().getName() 
  70  
  71     def throw(self): 
  72         yootlist = self.throwFourYoot() 
  73         return self.judgeYoot(yootlist) 
  74  
  75     def getProbability(self, judge): 
  76         theYoot = mapOfYootName[judge]() 
  77         upProb = self.probUp 
  78         downProb = 1-upProb 
  79         upCount = theYoot.getUpCount() 
  80         downCount = 4-upCount 
  81  
  82         if upCount == 0: 
  83             theProb = downProb**downCount 
  84         elif downCount == 0: 
  85             theProb = upProb**upCount 
  86         else: 
  87             theProb = (downProb**downCount) * (upProb**upCount) 
  88         return theProb * theYoot.getPossibility() 
  89  
  90     def __repr__(self): 
  91         aString = '' 
  92         for aYoot in mapOfYootName.keys(): 
  93             aString += ( aYoot + "'s probability is " 
  94                          + str(self.getProbability(aYoot)) + '\n') 
  95         return aString 
  96  
  97 def returnMoAndGe(aProb): 
  98     thisGame = DoingYootNori(aProb) 
  99     probMo = thisGame.getProbability('MO') 
 100     probGe = thisGame.getProbability('GE') 
 101     return probMo, probGe 
 102  
 103 def statEqualMoAndGe(aOneProb, aStep): 
 104     probMo, probGe = returnMoAndGe(aOneProb) 
 105     probDiff = probGe - probMo 
 106     if probDiff < 0: 
 107         return aOneProb 
 108     else: 
 109         newProb = aOneProb + aStep 
 110         return statEqualMoAndGe(newProb, aStep) 
 111  
 112 if __name__ == '__main__': 
 113     myGame = DoingYootNori(0.71) 
 114     theYoot = myGame.throw() 
 115     print "You throw ", theYoot, '\n' 
 116     print myGame 
 117     print "The probability that equal Mo and Do is ", 
 118     print statEqualMoAndGe(0.5, 0.001) 
 119