Find the closest latitude and longitude

Question

I\'m writing a small program and to improve efficiency, I need to be able to find the closest latitude and longitude in my array.

Assume you have the following code:

Answer 1

Also u can simple do:

import mpu
def distance(point1, point2):
    return mpu.haversine_distance(point1, point2)

def closest(data, this_point):
    return min(data, key=lambda x: distance(this_point, x))