struc

# Find the internal structure of a list or numpy array
def shape(lst):
    ob_type = type(lst)
    if ob_type == np.ndarray:
        print("The size is " + str(lst.shape))
    length = len(lst)
    shp = tuple(shape(sub) if isinstance(sub, list) else 0 for sub in lst)
    if any(x != 0 for x in shp):
        return length, shp
    else:
        return length