import numpy as np
matriz = np.array([
[13, 28, 45, 50, 26, 10],
[27, 24, 22, 33, 88, 11],
[90, 25, 85, 23, 76, 55],
[77, 15, 31, 29, 13, 14],
[66, 41, 50, 20, 47, 11]
])
print(matriz[0:3, 1:4])
print('')
print(matriz[2:, 0:3])
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