只是索引使用你 ind_pos
ind_pos = [1,5,7]
print (a[ind_pos])
[88 85 16]
In [55]: a = [0,88,26,3,48,85,65,16,97,83,91]
In [56]: import numpy as np
In [57]: arr = np.array(a)
In [58]: ind_pos = [1,5,7]
In [59]: arr[ind_pos]
Out[59]: array([88, 85, 16])
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