l.sort(key= abs, reverse = True) Lists can be sorted using the sort () method. And the sort method has a parameter, called key, which you can pass a function. Using this parameter, your list …

Use list.sort() when you want to mutate the list, sorted() when you want a new sorted object back. Use sorted() when you want to sort something that is an iterable, not a list yet.

I have a list of Python objects that I want to sort by a specific attribute of each object:

Aug 30, 2008 · What is the best way of creating an alphabetically sorted list in Python?

Python has supported the key= for .sort since 2.4, that is year 2004, it does the Schwartzian transform within the sorting code, in C; thus this method is useful only on Pythons 2.0-2.3. all …

Can I also get the indices of the sort, so to sort another related list of lists in the same order?

I am a bit confused regarding data structure in python; (),[], and {}. I am trying to sort a simple list, probably since I cannot identify the type of data I am failing to sort it. My list is simp...

Aug 3, 2010 · The key argument to sort specifies a function of one argument that is used to extract a comparison key from each list element. So we can create a simple lambda that …

Python built-ins stick to one or the other; methods on immutable types like str do chain (they can't mutate in place, so they return a new object with the mutation applied), while most methods on …

As the title says, I was interested in comparing list.sort () vs sorted (list). The above snippet showed something interesting that, python's sort function behaves very well for already sorted …