How to use a custom comparison function in Python 3?
In Python 2.x, I could pass custom function to sorted and .sort functions
sorting
How to sort and remove duplicates from Python list?
Given a list of strings, I want to sort it alphabetically and remove duplicates. I know I can do this: from sets import Set […] myHash = Set(myList) but I don’t know how to retrieve the list members from the hash in alphabetical order. I’m not married to the hash, so any way to accomplish … Read more
case-insensitive list sorting, without lowercasing the result?
I have a list of strings like this:
How can I get 2.x-like sorting behaviour in Python 3.x?
I’m trying to replicate (and if possible improve on) Python 2.x’s sorting behaviour in 3.x, so that mutually orderable types like int, float etc. are sorted as expected, and mutually unorderable types are grouped within the output.
Sorting a 2D numpy array by multiple axes
I have a 2D numpy array of shape (N,2) which is holding N points (x and y coordinates). For example:
Sort a pandas dataframe series by month name
I have a Series object that has:
How can I “zip sort” parallel numpy arrays?
If I have two parallel lists and want to sort them by the order of the elements in the first, it’s very easy:
Python: sort function breaks in the presence of nan
sorted([2, float('nan'), 1]) returns [2, nan, 1]
Accessing the list while being sorted
Can I access a list while it is being sorted in the list.sort()
Python sorting by multiple criteria
I have a list where each element is of the form
.
For example, an element of the list may look like this [[1,3,1,2], -1].