2.7 花哨的索引

2.7 花哨的索引   import numpy as np rand = np.random.RandomState(42) x = rand.randint(100, size=10) print(x) [51 92 14 71 60 20 82 86 74 74]   [x[3], x[7], x[2]] [71, 86, 14]   ind = [3, 7, 2] x[ind] arra

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