
python - Create a generator that returns every permutation (unique ...
Jun 1, 2016 · I watched this video from The Unqualified Engineer on YouTube and tried out the challenge. The challenge (or interview question) is to build a generator that returns all the …
Python get all Unique Pair combinations from list of elements
Mar 10, 2021 · I tried to get the all unique pair combinations from a list. Here is what I have done so far, import itertools # Unique Combination Pairs for list of elements def …
python - Fastest way for working with itertools.combinations - Code ...
However this was the memory allocated by the python process. A run with ndims = 100 was unsuccessful due to lack of available memory. Edit2: There is actually something far more efficient …
python - Product of dictionary values - Code Review Stack Exchange
9 Elements that smell funny: argument unpacking to itertools.product. I'm needing sorted keys (even though I don't care about key order in the final result).
python - Fast brute force numpy array combination - Code Review …
Mar 5, 2021 · I want to extract the combinations of numpy arrays in this way: from itertools import combinations import numpy as np X = np.array(np.random.randn(4, 6)) combination = np.array([X[:, …
python - Infinite prime generator - Code Review Stack Exchange
itertools.count(start=3, step=2) I was able to sort-of guess based on the comment, but keyword arguments always improve clarity and reduce ambiguity.
python - Permutations CodeWars problem solved! - Code Review …
Dec 12, 2022 · Perhaps briefly put, if you enjoy the algorithmic challenge of essentially building the algorithm behind itertools.permutations, then do it. If you want to build efficient software and reuse …
python - Get subsets of a set given as a list - Code Review Stack …
Nov 21, 2016 · This code is meant to create a list of subsets of a given set which is represented as a list. I'm doing this to improve my style and to improve my knowledge of fundamental algorithms/data …
Import "izip" for different versions of Python
May 17, 2013 · A common idiom that I use for Python2-Python3 compatibility is: try: from itertools import izip except ImportError: #python3.x izip = zip However, a comment on one of my Stack Overflow an...
Code for creating combinations taking a long time to finish
Mar 1, 2017 · I have the following code that I'm using to create combinations of elements in my dataset: start_time = time.time() question_pairs = [] import itertools as iter for memberid in IncorrectQuestions.