首先建立一个数组以保存角色信息。

Start with an array to hold the character information.

youdao

当您建立一个数组类型时，数组的大小并不确定。

When you declare an array type, the size of the array is not specified.

youdao

脚本一开始建立了一个数组保存全部电影。

At the top of the script, I create an array that holds all the movies.

youdao

Right.? I'm going to set up a variable to say, none what's the answer I want to return, is it there or not. Initially it's got that funny value none.

看我要找的答案在不在数组里面，初始化为,然后建立一个索引。

麻省理工公开课 - 计算机科学及编程导论课程节选