Lab3-Grade

void setup(){
  size(500,300);
  background(#00FFDD);
  }
void draw(){
  int score = 80;
  textSize(50);
  fill(#DD0000);
  cal_grade(score);
  text("My score ="+score,50,100);
  text("My grade =",50,200);
  }
void cal_grade(int score){
  if(score<50){
  text("F",50,100);
  }else if(score>=50 && score<=59){
  text("D",50,100);
  }else if(score>=60 && score<=69){
  text("C",50,100);  
  }else if(score>=70 && score<=79){
  text("B",100,100);  
  }else if(score>=80 && score<=100){
  text("A",350,200);
  }else if(score<=0 && score>=100){
  text("error",50,200);
  }
}