How do I add an extra column to a NumPy array?

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Chapters
00:00 Question
00:24 Accepted answer (Score 228)
00:53 Answer 2 (Score 474)
01:55 Answer 3 (Score 202)
02:11 Answer 4 (Score 77)
02:26 Thank you

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Full question
https://stackoverflow.com/questions/8486...

Answer 3 links:
[hstack]: https://docs.scipy.org/doc/numpy/referen...

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Tags
#python #numpy

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