import numpy#library function
speed = [32,111,138,28,59,77,97]#specify the numbers
x = numpy.std(speed)#standard deviation formula 
#print(x)#printing x values


import numpy#library function
speed = [32,111,138,28,59,77,97]#specify the numbers
x = numpy.var(speed)#variance formula 
#print(x)#printing x values

