Create NumPy Array II

Fix the inconsistency to create an array with shape (4,3)
import numpy as np a = np.array([ [3, 1, 7],
[10, 4, 9, 2], [12, 3, 1],
[12, 11, 8] ]) print(a.shape) # expected: (4,3)
Python
Setting up Python environment...
Output