student.prototype.tab = ["ppj","asd","utp"];
student2 =  new student("Jma", "ds",1991,[3,5,5,1]);

student1 = new student("James", "Harden", 1990, [3,5,4,5]);
console.log(student1.show());


console.log(student2.show() + " " +  student2.tab);