numpy的取值,拼接

Python 数据分析 之numpy的取值,拼接 —b站 python数据分析(黑马程序员)python import numpy as np t = np.arange(12).reshape(3, 4) print(t) [[ 0 1 2 3] [ 4 5 6 7] [ 8 9 10 11] [12 13 14 15] [16 17 18 19] [20 21 22

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