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. For lists, list.sort() is faster …

Here I would use the variable name "keyfun" instead of "cmpfun" to avoid confusion. The sort () method does accept a comparison function through the cmp= argument as well.

Apr 20, 2010 · Python list sort in descending order Asked 15 years, 1 month ago Modified 2 years, 9 months ago Viewed 918k times

And the sort method has a parameter, called key, which you can pass a function. Using this parameter, your list won't be ordered by the values of the list, but by the values of your function on the list.

Sort ascending vs. descending. Specify list for multiple sort orders. If this is a list of bools, must match the length of the by. As the default is ascending, and OP's goal is to sort ascending, one doesn't …

Aug 30, 2008 · As sort() sorts the list in place (ie, changes the list directly), it doesn't return the sorted list, and actually doesn't return anything, so your print statement prints None. If you saved your list to …

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...

@Cemre as for the second example, sort here is a method of List object of Python, which receives a lambda function as its key parameter. You may name it as tup, or t, or whatever you like and it'll still …

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 of which are more …

The above snippet showed something interesting that, python's sort function behaves very well for already sorted data. As pointed out by Anurag, in the first case, the sort method is working on …