Length and dimensions of NumPy arrays

Question

How to check the length and dimensions of NumPy arrays?

Answer 1

The length of NumPy arrays can be found using the size attribute.

EXAMPLE:

newarray=np.arange(8)
newarray.size

Output:

8

To check for the dimensions use the shape attribute:

EXAMPLE:

ar=np.arange(8)          
ar.shape

OUTPUT:

(8,)