human
get dimensions of list.
assistant
Here is a Python program to get dimensions of lists

import numpy as np

def get_dimensions(list_of_list):
    """
    Returns the dimensions of a list of lists.

    :param list_of_list:
    :return:
    """
    return len(list_of_list)

# Enter the array
a = np.array([[1, 2, 3], [4, 5, 6], [7, 8, 9], [10, 11, 12]])

# Calling the function
print((get_dimensions(a)))

#Remember to inspect code for bugs.