e no suffix.

If 'prefix' is not None, the file name will begin with that prefix,
otherwise a default prefix is used.

If 'dir' is not None, the file will be created in that directory,
otherwise a default directory is used.

If 'text' is specified and true, the file is opened in text
mode.  Else (the default) the file is opened in binary mode.

If any of 'suffix', 'prefix' and 'dir' are not None, they must be the
same type.  If they are bytes, the returned name will be bytes; str
otherwise.

The file is readable and writable only by the creating user ID.
If the operating system uses permission bits to indicate whether a
file is executable, the file is executable by no one. The file
descriptor is not inherited by children of this process.

Caller is responsible for deleting the file when done with it.
)