the math test
Writeaprogramthatwillhelpelementaryschoolpupilspracticemath.a)Theprogramwillfirstasktheuserforhis/herIDnumber(includingtwoletters&4digits),e.g.PleaseinputyourfourdigitIDno:AB1234Theprogramshouldhaveinputvalidation(检验). Thentheprogrampromptsthreechoices:(1)Startatest(2)Chec