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I have a 2D numpy array [1,2], [3,4], [5,6]. How can I modify the values in the second column (eg. add 1 to each value, so the result would be ([1,3], [3,5], [5,7])?

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    arr[:,1] += 1 Commented Jan 23, 2021 at 22:46

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Psidom's comment above worked thanks.

arr[:,1] += 1

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