[Python] Printing only a 2d part of a 3d array as a grid

I have a 3d storage array like this:

M = np.array([[[3,3,3], [3,3,3], [3,3,3]], [[4,4,4], [4,4,4], [4,4,4]]])


and I want to print just the first part of the array as a grid like this:

3 3 3
3 3 3
3 3 3


I already know how to print a 2d array in a grid, but do not know how I would print only that section.

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