Mar 10, 2021 · From itertools.combinations, emphasis mine: Return r length subsequences of elements from the input iterable. The combination tuples are emitted in lexicographic ordering according to the …

I need to speed up the function below: import numpy as np import itertools def combcol (myarr): ndims = myarr.shape [0] solutions = [] for idx1, idx2, idx3, idx4, idx5, idx6 in itertools.

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 …

Nov 28, 2020 · Use the output of itertools.combinations: the output of itertools.combinations is an iterable or tuples, which can be used in a for-loop to print the combinations one by one.

Jul 23, 2021 · I wrote a short function to iterate over a list starting at a given index, then flipping back and forth between left and right values. import itertools from typing import Generator def

Feb 10, 2023 · If sorting were built into itertools.groupby(), it would need to store the whole input in memory, which is very much against the principles of itertools. I think that's why it requires that its …

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...

Feb 13, 2019 · I made a brute force password cracker with Python, but it's extremely slow. How can I make it faster? import itertools import string import time def guess_password(real): chars = string.

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[:, …

Apr 26, 2020 · In python the itertools module is a good tool to generate combinations of elements. In this case I want to generate all combinations (without repetition) having a subsets of specified length but …