sort by index 2d array python
a = [[9, 9, 2], [9, 9, 3], [9, 9, 8], [9, 9, 4], [9, 9, 1], [9, 9, 5]]
b = sorted(a, key=lambda a:a[2])
#b contains the following arrays, sorted by their second index:
[[9, 9, 1], [9, 9, 2], [9, 9, 3], [9, 9, 4], [9, 9, 5], [9, 9, 8]]java sort 2d array
Arrays.sort(myArr, (a, b) -> a[0] - b[0]);Copyright © 2021 Codeinu
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