Numpy array dimensions
I'm currently trying to learn Numpy and Python. Given the following array:

    import numpy as N
    a = N.array([[1,2],[1,2]])

Is there a function that returns the dimensions of a (e.g.a is a 2 by 2 array). 

size() returns 4 and that doesn't help very much. 

Thanks.
Numpy array dimensions
===

I'm currently trying to learn Numpy and Python. Given the following array:

    import numpy as N
    a = N.array([[1,2],[1,2]])

Is there a function that returns the dimensions of a (e.g.a is a 2 by 2 array). 

size() returns 4 and that doesn't help very much. 

Thanks.