timetrials.py

#!/usr/bin/env python3.6

import time
import math
import numpy as np
import random

def distance(coord1, coord2):
    return math.sqrt(sum((coord1[i] - coord2[i])**2
                         for i in range(len(coord1))))

def distance2(x, y):
    pow2 = lambda x: math.pow(x,2)
    vect_coord_distance = map( lambda tup: tup[0] - tup[1] , zip(coord1,coord2) )
    vect_coord_distance = map(   pow2, vect_coord_distance )
    scalar_distance = math.sqrt( sum( list( vect_coord_distance )  )  )
    return scalar_distance

NUMTRIALS = 1000

coord1 = tuple(random.randint(0, 100) for _ in range(3))
coord2 = tuple(random.randint(0, 100) for _ in range(3))

times = np.zeros(NUMTRIALS)
for i in range(NUMTRIALS):
    stime = time.time()
    distance(coord1, coord2)
    times[i] = time.time() - stime

times2 = np.zeros(NUMTRIALS)
for i in range(NUMTRIALS):
    stime = time.time()
    distance2(coord1, coord2)
    times2[i] = time.time() - stime

print(f'My function average time: {times.mean()}')

print(f'Your function average time: {times2.mean()}')