When working with Jython scripts, always use double backslashes to specify a separator in file paths.
使用jython脚本时，总是使用双反斜杠作为文件路径的分隔符。
2
All scores that correspond to the test set should be written to the submission file consecutively, i.e. with no separator or newline between item scores.
所有对应于测试集的分数需要连续写入提交物中，也就是说，没有分隔符或者新行在条目分数之间。
3
Given a search path (a string of directories with a separator in between), you need to find the first file along the path whose name is as requested.