python: write a function that adds two matrices together using list comprehensions. The function should take in two 2D lists of the same dimensions. Try to implement this in one line!

def add_matrices(x, y):

"""

>>> matrix1 = [[1, 3], [2, 0]]

>>> matrix2 = [[-3, 0], [1, 2]]

>>> add_matrices(matrix1, matrix2) [[-2, 3], [3, 2]]

""" "*** YOUR CODE HERE ***"