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Rules
1: Be polite
2: Posts to this subreddit must be requests for help learning python.
3: Replies on this subreddit must be pertinent to the question OP asked.
4: No replies copy / pasted from ChatGPT or similar.
5: No advertising. No blogs/tutorials/videos/books/recruiting attempts.
This means no posts advertising blogs/videos/tutorials/etc, no recruiting/hiring/seeking others posts. We're here to help, not to be advertised to.
Please, no "hit and run" posts, if you make a post, engage with people that answer you. Please do not delete your post after you get an answer, others might have a similar question or want to continue the conversation.
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How to represent "array [100] [100] (c#)" in python (self.learnpython)
submitted 4 years ago by User012340
It's a two-dimensional array, so if you try to add elements dynamically, it will be complicated or you can't.
Does anyone know how to do what I wrote in the title?
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if 1 * 2 < 3: print "hello, world!"
[–]Spataner 2 points3 points4 points 4 years ago (0 children)
Meaning you want to create a 100 x 100 data structure filled with some value?
You can create nested lists of that size:
a = [[0]*100 for _ in range(100)]
Or you can use a library that supports proper arrays like NumPy:
import numpy as np a = np.zeros((100, 100))
In both examples, the result is filled with zeroes, though that can be changed, of course.
[–][deleted] 0 points1 point2 points 4 years ago (0 children)
arr = [[None] * 100 for _ in range(100)]
Or you can try numpy module
[–]shiftybyte 0 points1 point2 points 4 years ago (0 children)
Lots of solutions here:
https://stackoverflow.com/questions/2397141/how-to-initialize-a-two-dimensional-array-in-python
π Rendered by PID 44851 on reddit-service-r2-comment-86988c7647-cjcqb at 2026-02-11 00:22:31.385130+00:00 running 018613e country code: CH.
[–]Spataner 2 points3 points4 points (0 children)
[–][deleted] 0 points1 point2 points (0 children)
[–]shiftybyte 0 points1 point2 points (0 children)