27 кластеры B

from math import dist
data = open('27Б.txt').readlines()
cluster = [[], [], []]
for i in range(len(data)):
    x, y = map(float, data[i].replace(',', '.').split())
    if x > 4:
        cluster[0].append((x, y))
    elif y < 2.5:
        cluster[1].append((x, y))
    else:
        cluster[2].append((x, y))
cen = []
for i in range(3):
    best_rst = 10000000000
    c = (-1, -1)
    for cur_c in cluster[i]:
        rst = 0
        for k in cluster[i]:
            rst += dist(cur_c, k)
        if rst < best_rst:
            c = cur_c
            best_rst = rst
    cen.append(c)
print(int(((cen[0][0] + cen[1][0] + cen[2][0]) / 3) * 10000), int(((cen[0][1] + cen[1][1] + cen[2][1]) / 3) * 10000))