*reverse* is a boolean value. If set to ``True``, then the list elements are
sorted as if each comparison were reversed.
- Starting with Python 2.3, the :meth:`sort` method is guaranteed to be stable. A
+ The :meth:`sort` method is guaranteed to be stable. A
sort is stable if it guarantees not to change the relative order of elements
that compare equal --- this is helpful for sorting in multiple passes (for
example, sort by department, then by salary grade).
While a list is being sorted, the effect of attempting to mutate, or even
- inspect, the list is undefined. The C implementation of Python 2.3 and newer
+ inspect, the list is undefined. The C implementation
makes the list appear empty for the duration, and raises :exc:`ValueError` if it
can detect that the list has been mutated during a sort.