Need more examples ...

When trying things out I find a huge module reference but a limited
tutorial and manual.

E.g. I try to open a textfile for read.
I find:
  - Stdio.File (non-buffered)
  - Stdio.FILE (buffered)
However I cannot find a simple example of how to use it ...

I tried several ways to use the open() method, but then it says that
neither Stdio.File nor Stdio.FILE have an open method, which is not conform
the module reference.

Maybe I missed the obvious :-)

So, are there more examples available???