def test_basic(self):
m = np.array([1, 2, 3])
self.assertEqual(np.alen(m), 3)
m = np.array([[1, 2, 3], [4, 5, 7]])
self.assertEqual(np.alen(m), 2)
m = [1, 2, 3]
self.assertEqual(np.alen(m), 3)
m = [[1, 2, 3], [4, 5, 7]]
self.assertEqual(np.alen(m), 2)
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