小编the*_*mon的帖子

有没有人知道一个"免费"命令行工具,可以锁定来自能够打印它的用户的PDF.我需要能够批量处理这个文件夹并从adobe标准和阅读器中禁用打印.这可以通过任何工具从命令行执行吗？

我在列表中基于多个匹配的字典制作时遇到了一些麻烦.

这是一个示例列表:

items = [["1.pdf", "123", "train", "plaza"],
         ["2.pdf","123", "plane", "town"],
         ["3.pdf", "456", "train", "plaza"],
         ["4.pdf", "123", "plane", "city"],
         ["5.pdf", "123", "train", "plaza"],
         ["6.pdf","123", "plane", "town"]]

我试图做的是匹配每个列表中的最后三个项目并制作一个字典.

所以根据上面的列表,我会假设所需的输出.

{1 : [["1.pdf", "123", "train", "plaza"],
      ["5.pdf", "123", "train", "plaza"]],
 2 : [["2.pdf","123", "plane", "town"],
      ["6.pdf","123", "plane", "town"]]
 3 : [["3.pdf", "456", "train", "plaza"]]
 4 : [["4.pdf", "123", "plane", "city"]]}