Mar 5, 2009 · In Python 3.6+ dictionaries preserve insertion order. This is, of course, not the same as possibility of sorting them by value, but on the other hand it is no longer valid to say that …

Sep 22, 2010 · 15 You're trying to use key functions with lambda functions. Python and other languages like C# or F# use lambda functions. Also, when it comes to key functions and …

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 …

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

Clearly not off-topic, since it's the #1 Google search result for sorting a 2D list in Python, and the best answer has 15 up-votes.

0 a little confused for me. The question is about "How to get indices of a sorted array in Python", I was understanding that How to get sorted indices of each elements in array. So give my …

Jan 26, 2017 · There are a number of Python modules that provide dictionary implementations which automatically maintain the keys in sorted order. Consider the sortedcontainers module …

I have the following list created from a sorted csv list1 = sorted(csv1, key=operator.itemgetter(1)) I would actually like to sort the list by two criteria: first by the value in field 1 and then ...

The parameter passed to key must be something that is callable. The use of lambda creates an anonymous function (which is callable). In the case of sorted the callable only takes one …

Jan 21, 2013 · I have a list of lists and I am sorting them using the following data=sorted(data, key=itemgetter(0)) Was wondering what is the runtime complexity of this python function?