sort array python by column

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Leonardo
11 Oct 2019
1Sorting a NumPy array by a column orders its rows based 
2on the ordering of the values in the column. 
3For example, sorting the array [[8 2 -2] [-4 1 7] [6 3 9]] 
4by its second column returns [[-4 1 7] [8 2 -2] [6 3 9]].
5USE numpy.args
6
7sorted_array = an_array[numpy.argsort(an_array[:, 1])]
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