Thereisnodoubtthatthemajorityofprogrammingbooksarewrittenbyprofessorsfromcomputerscience.Itseemsoddthatafinanceprofessorwritesaprogrammingbook.Itisunderstandablethatthefocuswouldbequitedifferent.Ifaninstructorfromcomputersciencewerewritingthisbook,naturallythefocuswouldbePython,w