How to delete file?

[Peter Hansen]

Ken wrote:
> 
> How do you delete file?

os.remove()

> If you write to file from beginning position of an existing file, do you
> overwrite the existing data or insert from it?

You overwrite the data.  It's not possible to insert data except by
writing the data to a new file, appending the contents of the old
file, deleting the old file, then renaming the new one to the old name.

-Peter