Python 3 syntax on GNU/Linux*:
Exit out of script from anywhere
Timestamp with year, month, day and 12 hour format
Sort list in reverse
Sort by key in reverse
*Primarily I run on GNU/Linux as a standard. Much of my stuff fuses the OS and the code, so even BSD-ish is a bit off. Strangely, the world seems to be moving more and more over to this.