title: Sorting Pandas Series by unnamed value rather than index
body: <p>I have a pandas series that has 1 index(Countries) and one unnamed column with average values. I want to sort the series in descending order based on the values instead of the index. This is what the series looks like currently: <a href="https://i.stack.imgur.com/SXu9Y.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/SXu9Y.png" alt="enter image description here" /></a></p>