上游充通大学 ParisTech SHANGHAI JIAO TONG UNIVERSITY INSTITUT DES SCIENCES ET TECHNOLOGIES PARIS INSTITUTE OF TECHNOLOGY Variables,Expression and Statements Elements of Programs 。Comments 。Output Statements Assignment Statements ·Compound Statements Goode Programming Style 2Variables, Expression and Statements • Elements of Programs • Comments • Output Statements • Assignment Statements • Compound Statements • Goode Programming Style 2