#请用索引取出下面list的指定元素：

#!/usr/bin/python

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

L = [    

      ['Apple', 'Google', 'Microsoft'],

      ['Java', 'Python', 'Ruby', 'PHP'],

      ['Adam', 'Bart', 'Lisa'] ]

# 打印Apple:

print(L[0][0])

# 打印Python:

print(L[1][1])

# 打印Lisa:

print(L[2][-1])