Python: Sorting a List of Objects or Dictionaries by Multiple Keys BidirectionallyTue 15 Feb 2011 by in Web Design & Development
The above methods for sorting a list of dictionary objects is very common and suitable for sorting lists containing dictionaries or objects. sorted also allows your key function to return a tuple of values if you wish to sort your list by more than one key like so:
Sorting by Multiple Keys
Bidirectional Sorting with Numeric Values
Sorting by multiple keys bidirectionally is simple when dealing with numeric values.
Sorting bidirectionally with non numeric values gets a little more involved. The following two short functions will allow us to do exactly what we want.
And here are a few examples of them in use: