创建包含三行的文本文件：大纲名称、大纲说明以及大纲文档模板(. dot)。

Create a text file containing three lines: outline name, outline description, and outline document template file (.dot).

youdao

在所示的示例中，在每行(最后一行除外)的末尾处有空格字符，最后三行的每一行开头有一个空格字符。

In the sample shown, there is a space character at the end of each line (except the last one), and one at the beginning of each of the last three lines.

youdao

第三行的第二个重写条件表明：下面的规则仅适用于浏览器请求的文件具有. xhtml扩展名的情形。

The third line, the second rewrite condition, indicates that the following rules only apply when the browser requests a file that has the extension.xhtml.

youdao

So input is an int called F, print out to the screen or your piece of paper the value of C. Odds are you only need two, maybe three lines of code for this, but the goal ultimately will be try it on your own.

所以输入是一个int类型的F，在你的屏幕上,或你们的纸上打印出C的数值,可能你们需要两行或者三行的代码,但是最终的目标需要你自己独自尝试。

哈佛公开课 - 计算机科学课程节选