一道python题目，求解答！

Question

Answer 1

只举个例子，输出输出请自行组织一下：

>>> s = [1,2,3,4,5,6]
>>> n = len(s)
>>> m = sum(s)/n
>>> m
3.5
>>> t = [(i-m)**2 for i in s]
>>> d = (sum(t)/(n-1))**0.5
>>> d
1.8708286933869707
>>>