Everysooftenabookcomesalongthatmakesyouaskyourself,"Gee,whenwasthelasttimeIhadmyeyeschecked?"DavidM.Beazley'sPython:EssentialReferenceisjustsuchabook.CondensingthousandsofpagesofPythononlinedocumentationintoacompact319-pagesoftcover,Beazleyandhiseditorsusedtheold-co