练习

请用索引取出下面list的指定元素：

# -- coding: utf-8 --



L = [

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

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

['Adam', 'Bart', 'Lisa']

]



# 打印Apple:

print(?)

# 打印Python:

print(?)

# 打印Lisa:

print(?)