Python stackoverflow Examples

Let's suppose that I have the following files, on which I want to apply some processing automat… Read more How To Use Expand In Snakemake When Some Particular Combinations Of Wildcards Are Not Desired?

I have to generate all the 2-pair combinations of items in a list. Now, I know of two ways to accom… Read more Itertools Vs Nested Loops Performance

I have a nested loop to create all combinations in a set of conjugated verbs. The aim to to get all… Read more Itertools Equivalent Of Nested Loop "for X In Xs: For Y In Ys..."

Say I have a list looks like this: [(datetime.datetime(2013, 8, 8, 1, 20, 15), 2060), (datetime.dat… Read more Python List Group By Date

If I have a list of list of list of tuples of two strings. I want to flatten it out to a non-nested… Read more Is There A Way Of Avoiding So Many List(chain(*list_of_list))?

This code: from itertools import groupby, count L = [38, 98, 110, 111, 112, 120, 121, 898] groups… Read more Group And Combine Items Of Multiple-column Lists With Itertools/more-itertools In Python