4. เลือกปฏิบัติ

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รหัสที่ 4-12 ส่วนของโปรแกรมแสดงขั้นตอนการตัดเกรด

 if ( score >= 80 ) {
   grade = "A";
 }
 if ((70 <= score) && (score < 80)) {
   grade = "B";
 }
 if ((60 <= score) && (score < 70)) {
   grade = "C";
 }
 if ((50 <= score) && (score < 60)) {
   grade = "D";
 }
 if ( score < 50 ) {
   grade = "F";
 }