import math list= [23,34,56,78,123,45,67,89,12,56] mean=(sum(list)/len(list))
def findvar(list, mean): var=0 for value in list: var+=(value-mean)**2 variance=(sum(var))/len(list) print variance finddev(variance)
def finddev(variance): dev= math.sqrt(variance) print dev
findvar(list, mean)