human
What is a good Python program to calculate manhattan distance in 2d.
assistant
Here is a Python program to calculate manhattan distance in 2d

import numpy as np

def manhattan_distance(x, y):
    """
    Calculate manhattan distance in 2d.
    """
    return abs(x[0] - y[0]) + abs(x[1] - y[1])

# Enter the 2d array
x = np.array([[1,2],[3,4]])

# Enter the 2d array
y = np.array([[5,6],[7,8]])

# Calling the function
print((manhattan_distance(x, y)))

#Example Output
# [8 8]

#Remember to inspect code for bugs.