[PATCH 1/4]: Make "python" start a standard Python prompt

[Tom Tromey]

>>>>> "Yit" == Khoo Yit Phang <khooyp@cs.umd.edu> writes:

Yit> My working copy was a little old when I made the previous patch and
Yit> has conflicts for NEWS. Here's a new one.

Code parts are ok.  Thanks.

Tom