List is similar to array but beyond. A list can contial various types of data.
list=["string", 1223, 2.718]
to refer an element from a list, we can use
list[0] python alwsys start counting with 0
list[-1]
to get information about the list
len(list)
原文：http://www.cnblogs.com/lmliu/p/5560326.html