27 график A

from math import dist
data = open('27.txt').readlines()
print(data[:5])
cluster = [[], []]
for e in data:
    x, y = map(float, e.replace(',', '.').split())
    if y < 15:
        cluster[0].append((x, y))
    else:
        cluster[1].append((x, y))
centroid = []
for i in range(2):
    mn_rst = 10000000000
    best_c = (-1, -1)
    for c in cluster[i]:
        rst = 0
        for e in cluster[i]:
            rst += dist(c, e)
        if rst < mn_rst:
            mn_rst = rst
            best_c = c
    centroid.append(best_c)
print((centroid[0][0] + centroid[1][0]) * 10000 // 2)
print((centroid[0][1] + centroid[1][1]) * 10000 // 2)