is a which the . Both and are valid statements but the difference is that increments before the function is performed such as where as increments after performing the function (like ). More clearly the first code statements is equivalent to:
In the late 1990s and early 21st century, AI began to be used for logistics, data mining , medical diagnosis and other areas.  The success was due to increasing computational power (see Moore's law ), greater emphasis on solving specific problems, new ties between AI and other fields (such as statistics , economics and mathematics ), and a commitment by researchers to mathematical methods and scientific standards.  Deep Blue became the first computer chess-playing system to beat a reigning world chess champion, Garry Kasparov on 11 May 1997.