def getStandardDeviation(list, mean):
countData = len(list)
list = dt.getPower(dt.getSubstractList(list,mean),2)
list = dt.sumArray(list)/countData
list = dt.getSquareRoot(list)
res = [list[0],list[1],list[2]]
return res
def getMean(list):
sumValue = dt.sumArray(list)
sumValue = sumValue/len(list)
sumValue = sumValue[0],sumValue[1],sumValue[2]
return sumValue