Python Library

For a given range for n variables. I have taken n=3 as an example. A : [1,3] B: [5,10,12] C: [100,… Read more How To Create All Combinations Column Wise For Multiple Variables In Pandas?

I am having trouble finding a way to do this in a Pythonic way. I assume I can use itertools someho… Read more Python Generating All Nondecreasing Sequences

I have lists containing sublists. From theses lists I want to retrieve all combinations of integers… Read more Retrieve All Possible Combinations Of Ascending Integers From Sublists

I've made a post here, yet as I got no answer as per now I thought maybe to try it also here as… Read more Optimising Iteration And Substitution Over Large Dataset

According to http://docs.python.org/2/library/itertools.html#itertools.product the following functi… Read more How Do I Convert Python's Itertools.product Library From A List Comprehension To Normal For Loops?

I'm working with some iterator generated using itertools.imap, and I was thinking if there is a… Read more Get Length Of A (non Infinite) Iterator Inside It's Loop Using Python 2.7

Given a list, I can get the product of each item in a list as such: from itertools import product x… Read more How To Nest Itertools Products?

How to get all partitions of a set? For example, I have array [1, 2, 3]. I need to get [[1], [2], … Read more Get All The Partitions Of The Set Python With Itertools

As in the title - I have many very large text files (>10GB) that have the same, repetitive struc… Read more Python: Iterate Over Many Large Files Simultaneusly, Get Every K-th Line

I am trying to emulate the 'chain' function in itertools in python. I came up with the fol… Read more Need To Implement The Python Itertools Function "chain" In A Class

I have a txt file which looks like below including 4 rows as an example and each row strings are se… Read more How Can I Make An Unique List Cells?

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

def find_the_best_solution(shipping_request, list, current_solution, best_shipping_solution): i… Read more Can Someone Please Explain This Error - "runtime Error: Dictionary Size Changed During Iteration"?

In Python, how can I generate a string with all combinations of a set of characters up to a certain… Read more How To Generate Combination Of Fix Length Strings Using A Set Of Characters?

I generated random strings of 16-characters each and added them to a list using the following: impo… Read more Create Variations Of A String

I am trying to join together dictionaries that contain the same date, and also create a list of the… Read more How To Create A List Based On Same Value Of A Dictionary Key

I am trying to implement a Q-Learning algorithm, my state-space contains all possible combinations … Read more How Can I Iterate Through The Result Of Itertools.product()?

What I currently want to accomplish is to tweak Pythons itertools module function combinations to … Read more How To Call A Builtin Function (or Method) From C Code Of A Python Extension Module?