# -*- coding: utf-8 -*-
"""
Created on Mon Jun 21 12:45:55 2021

@author: Sim
"""
score = [['김철수', 90, 80, 70], ['이하나', 95, 87, 55],
         ['박한기', 80, 80, 80], ['최동수', 96, 80, 90],
         ['조형남', 70, 60, 55], ['김수정', 90, 70, 77]]

mysum = [0, 0, 0, 0, 0, 0]
mymean = ['평균', 0, 0, 0]

for i in range(6):
    for j in range(1,4):
       mysum[i] = mysum[i]+score[i][j]
       mymean[j] = mymean[j] + score[i][j]/6
    
print('Sum:\n', mysum)      
print('Mean:\n', mymean)