Add new optional parameter 'suffix' (default ''), which is appended to the temporary file name.  Also some minor formatting of Jim F's code.
Add new optional parameter 'suffix' (default ''), which is appended to
the temporary file name.  Also some minor formatting of Jim F's code.

sk-/python2.7-type-annotator,sk-/python2.7-type-annotator,sk-/python2.7-type-annotator