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python topN method to get the largest N number or the smallest N number

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不言Original
2018-06-04 16:01:553646browse

This article mainly introduces the method of python topN to get the largest N number or the smallest N number. It has a certain reference value. Now I share it with you. Friends in need can refer to it

is as follows:

##

import numpy as np
a = np.array([1,4,3,5,2])
b = np.argsort(a)
print(b)

##print result[0 4 2 1 3]

Explain that a[0] is the smallest and a[3] is the largest

a[0]<a[4]<a[2]<a[1]<a[3]

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