On Sat, Jun 19, 2004 at 03:40:07PM -0400, Raymond Hettinger wrote:
s = "" for e in iterable: s = s + e
Hum, it may not be impossible after all.
http://www.python.org/sf/980695 -> an idea that seems to work and only involves 3 pages of obfuscated code in new well-isolated functions of ceval.c. stringobject.c is unmodified.