Calculate the Standard

Deviation

You are given a list variable $$ with a bunch of numbers in it$.$

Create a new variable sd that contains the standard deviation of this

list.

The formula for standard deviation is:

$s=\sqrt[\phantom{2}]{\frac{|x-{|}^2}{n}}$

where $$ is the average of the list and $n$ is the length.

Example: if $==[10,20,30,40,50],$ then $s==14\mathrm{.}1421.$

The setup code gives the following variables:

Your code snippet should define the following variables:

user$\_$code.py