# -*- coding: utf-8 -*-

L = [
    ['Apple', 'Google', 'Microsoft'],
    ['Java', 'Python', 'Ruby', 'PHP'],
    ['Adam', 'Bart', 'Lisa']
]

# 打印Apple:
print(L[0][0])
print(L[-3][-3])
# 打印python:
print(L[1][1])
print(L[-2][-3])
# 打印Lisa
print(L[2][2])
print(L[-1][-1])