def calculatingAverageValue(self,stockNameList, returnValue, WindowSize):
averageValue = {}
for name in stockNameList: ##Calculating average value that represents (return value(as many as WindowSize)) / WindowSize
averageList = []
windowForCalculation = returnValue[name][0:WindowSize]
average2 = CalculationTool.average(windowForCalculation)
averageList.append(average2)
averageValue[name] = averageList
return averageValue
