Converting a 3D List to a 3D NumPy array

Question

Currently, I have a 3D Python list in jagged array format.
A = [[[0, 0, 0], [0, 0, 0], [0, 0, 0]], [[0], [0], [0]]]

Is there any way I could convert

Answer 1

Looping and adding is likely better, since you want to preserve the structure of the original. Plus, the error you mentioned indicates that you would need to flatten the numpy array and then add to each element. Although numpy operations tend to be faster than list operations, converting, flattening, and reverting is cumbersome and will probably offset any gains.