lat_lon

import csv

def distanceSq(A, B):
    return (A[0]-B[0])**2 + (A[1]-B[1])**2

dupont_circ = (38.90968521377803, -77.04349286990991)

"""
An array of tuples with (sn, dist)
"""
distances = []

with open("sensors_latlon.csv") as csv_file:

    Reader = csv.reader(csv_file)

    c = 0
    for line in Reader:
        
        if c >= 1:
            sn, lat, lon = line
            lat = float(lat)
            lon = float(lon)

            distances.append(
                (sn, distanceSq(dupont_circ, (lat, lon)))
            )

        c += 1

shortest_distance_elem = min(distances, key=lambda K: K[1])

sn, dist = shortest_distance_elem
print(sn, dist)