Tim Peters <tim.one at comcast.net>: > mostly because space allocated for integer objects is immortal. The implementation doesn't necessarily have to store the sequence numbers as Python integers. Greg Ewing, Computer Science Dept, +--------------------------------------+ University of Canterbury, | A citizen of NewZealandCorp, a | Christchurch, New Zealand | wholly-owned subsidiary of USA Inc. | greg at cosc.canterbury.ac.nz +--------------------------------------+