要排除整个文件格式，只需使用以前我们排除关键词时使用的相同布尔句法：橄榄球-filetype：doc。

Exclude entire file types, using the same Boolean syntax we used to exclude key words earlier: rugby -filetype: doc.

youdao

尤其是，Python需要用的一些关键词，就被排除在外面了。

And in particular, there are some key words that Python is going to use that have to be excluded.

youdao

尤其是，Python需要用的一些关键词，就被排除在外面了。

And in particular, there are some key words that Python is going to use that have to be excluded.

youdao