x
import numpy as nparr = np.array([1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12])newarr = arr.reshape(4, 3)print(newarr)[[ 1 2 3] [ 4 5 6] [ 7 8 9] [10 11 12]]
import numpy as nparr = np.array([1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12])newarr = arr.reshape(4, 3)print(newarr)[[ 1 2 3] [ 4 5 6] [ 7 8 9] [10 11 12]]