我目前正在通过漩涡,我似乎被困在这一部分。如您所见,它不接受(我认为是)正确答案,当我尝试跳过它时,它只会让我脱离漩涡。不知道问题出在哪里,我应该卸载并重新安装吗?
| Use dir.create() to create a directory in the current working directory called
| "testdir".
> "testdir"
[1] "testdir"
| Not quite! Try again. Or, type info() for more options.
| Type dir.create("testdir") to create a directory in the current working
| directory called "testdir".
> dir.create("testdir")
Error in dir.create("testdir") : unused argument ("testdir")
> dir.create(testdir)
Error in dir.create(testdir) : unused argument (testdir)
> dir.create("test.dir")
Error in dir.create("test.dir") : unused argument ("test.dir")
> skip()
Error in dir.create("testdir") : unused argument ("testdir")
| Leaving swirl now. Type swirl() to resume.