import numpy as np
a = np.array([[1, 2, 3]])
print(a.ndim) import numpy as np
z = [1, 2, 3]
y = np.array(z) import numpy as np
a = np.array([[1, 2, 3], [0, 1, 4], [11, 22, 33]])
print(a.size) import numpy as np
a = np.array([[1, 2, 3, 4], [5, 6, 7, 8], [9, 10, 11, 12]])
print(a[2, 2])