I’m creating “Boggle” in python, and I have a list of tuples that represent coordinates on a game board: I’m trying to create a new list of lists of tuples that will represent all possible paths on the board. It’d look something like this: I tried using itertools.combinations and…
Tag: python-itertools
Tree levels in lazy Python using “Long zip with”
In this blog post about breadth-first traversal, Gibbons talks about implementing BFT with “long zip with” function Then for instance My question: My version of levels in Python is working, but my lazy version using generators is not. It’s adding an extra [] level at the end. Why? I consider…
Itertools combinations, ¿How to make it faster?
I am coding this program that takes 54 (num1) numbers and puts them in a list. It then takes 16 (num2) of those numbers and forms a list that contains lists of 16 numbers chosen from all the combinations possible of “num1″c”num2”. It then takes those lists and generates 4×4 arrays…
All combinations of a row in a dataframe
i have the following Dataframe (df = ) with around 40 mio rows. i try to have the following output: at first i thought to use itertools combinations, it.combinations(Colors[“Colors”],2), but the problem was, that it gives me the combinations of the whole column and don’t correlate to the col…
How to generate itertools.product with a “sum” condition?
My code is: My result is: “[….., (0, 0, 0, 19), (0, 0, 0, 20), (0, 0, 0, 21), (0, 0, 1, 0), (0, 0, 1, 1), (0, 0, 1, 2), (0, 0, 1, 3), (0, 0, 1, 4), ….., (0, 0, 1, 16), (0, 0, 1, 17), (0, 0, 1, 18), (0, 0, 1, 19), (0, 0, 1, 20),….]”
How does Python hash itertools.count()?
I am trying to understand the underlying mechanics behind hash(itertools.count(x, y)). I am not used to looking deeply into CPython implementations, but I noticed that in itertoolsmodule.c the static PyTypeObject count_type has 0 for tp_hash. I am assuming that this means that it does not implement hash in C.…
How to improve the pattern matching on a list in Python
I have a big list, which may carry thousands to millions of entries. I set a window of finite size to slide over the list. I need to count the matched elements in the windows and repeat the procedure by sliding the window 1 position forward at a time. Here is a simple example of a list Assuming the window
Is it possible to get binary count from Counter() Python
Using Counter(), I want to do a binary count of variables in a list. So instead of getting the count for each variable, I would simply like to have a Counter() variable, in which all values are one. So for a given list: I want the output to be: Instead of: I am aware that I could loop through the
Generate all permutations including abbreviations with weightages
My string – I want to generate all permutations with the original name and abbreviations and assign weightages to each – Not concerned about this output data stucture, it can be anything. Weightage is 1 if no abbreviations and full names are used. If an abbreviation is used, the weight gets decrea…
Get all possible combinations between two lists, including multiple connections
With I get the 16 possible individual combinations of the lists l1 and l2, [(1,1), (1,2), … ] etc. Is there a way to also get combinations that ‘connect’ the lists in multiple ways? For example, I could have the following combinations [(1,1), (2,3)], [(1,3), (2,4), (3,2)], and [(1,2), (2,4),…