The hallmark of this edition is its new avatar in color, to enhance visual appeal and makelearning a pleasure!V Labs allows students to learn and test programming skills in C. Students can taketests which are auto-evaluated and can get instant feedback upon completion.V Labscontains over 100 test problems that the students can try out to test their skills in variousC concepts such as 'data types', 'operators', 'branching', 'looping', 'functions', 'classes'etc.