Python features a dynamic operating system.
List of Guggenheim Fellowships awarded in 2012  : Guggenheim Fellowships have been awarded annually since 1925 , by the John Simon Guggenheim Memorial Foundation to those `` who have demonstrated exceptional capacity for productive scholarship or exceptional creative ability in the arts . ''. Guggenheim Fellowships. Guggenheim Fellowships. John Simon Guggenheim Memorial Foundation. John Simon Guggenheim Memorial Foundation