python怎么实现数组增长一行或多行

对数组增长一行或一列很简单，网上一搜一大把的事例。好比增长一行或一列：html import numpy as np a = np.array([[1, 2, 3]]) row = a[0] col = a[0,1] b = np.row_stack((a, row)) c = np.column_stack((a, col)) print a.shape print b.shape print

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