"import" not working?

[Lionel]

On Feb 20, 3:52 pm, Chris Rebert <c... at rebertia.com> wrote:
> On Fri, Feb 20, 2009 at 3:33 PM, Lionel <lionel.ke... at gmail.com> wrote:
> > Hello all:
>
> > I've crafted several classes and exceptions which I've stored in a
> > file called "DataFileType.py". I then invoke them from within other
> > files like this:
>
> > # Top of file
>
> > import sys
> > sys.path.append("c:\DataFileTypes")
>
> Recall that the backslash is the escape character in Python and that
> therefore you need to put \\ to get a backslash in the resulting path
> string. Thus, the path you think you're adding isn't the path that's
> getting added.
> Alternatively, you can just use forward slashes instead (yes, that
> works on Windows from Python).
>
> Cheers,
> Chris
>
> --
> Follow the path of the Iguana...http://rebertia.com

But I'm only using a single backslash in the first example I gave, and
it works just fine there. How can this be?