// int count = 0;
// void setup() {
//   // put your setup code here, to run once:
//   Serial.begin(9600);
//   Serial.print("initial count: ");
//   Serial.println(count);
// }

// void loop() {
//   // put your main code here, to run repeatedly:
//   if(count < 5){
//     count++;
//     Serial.print("new count: ");
//     Serial.println(count);
//   }
// }

// int battery = 10;
// void setup() {
//   // put your setup code here, to run once:
//   Serial.begin(9600);
//   Serial.print("initial battery percentage: ");
//   Serial.print(battery);
//   Serial.println("%");
// }

// void loop() {
//   // put your main code here, to run repeatedly:
//   if(battery > 5){
//     battery--;
//     Serial.print("new battery percentage: ");
//     Serial.print(battery);
//     Serial.println("%");
//   }
// }

// int brightness = 100;
// void setup() {
//   // put your setup code here, to run once:
//   Serial.begin(9600);
//   Serial.print("initial brightness: ");
//   Serial.println(brightness);

//   Serial.println("increasing brightness...");
//   brightness += 50;

//   Serial.print("increased brightness: ");
//   Serial.println(brightness);

//   Serial.println("decreasing brightness...");
//   brightness -= 30;

//   Serial.print("decreased brightness: ");
//   Serial.println(brightness);
// }

// void loop() {
//   // put your main code here, to run repeatedly:
// }

// int maths = 80;
// int physics = 75;
// int chemistry = 90;

// void setup() {
//   // put your setup code here, to run once:
//   Serial.begin(9600);
//   int total = maths + physics + chemistry;
//   Serial.print("Total Scores: ");
//   Serial.println(total);

//   float avg = total/3;
//   Serial.print("Avg Score: ");
//   Serial.println(avg);
// }

// void loop() {
//   // put your main code here, to run repeatedly:
// }

int temperature = 35;
int led = 13;
bool led_on = false;
int led2 = 7;
void setup() {
  // put your setup code here, to run once:
  Serial.begin(9600);
  Serial.print("Temperature is: ");
  Serial.println(temperature);
  pinMode(led, OUTPUT);

  // Serial.println(temperature > 30);

  // Serial.println(temperature < 20);

  // Serial.println(temperature == 35);
}

// void loop() {
//   // put your main code here, to run repeatedly:
//   if(temperature > 30){
//     Serial.println("temp is HIGH");
//     digitalWrite(led2, LOW);
//     digitalWrite(led, HIGH);
//     temperature--;
//   }else if(temperature <= 20){
//     Serial.println("temp is LOW");
//     digitalWrite(led, HIGH);
//     temperature++;
//   } else {
//     Serial.println("temp is COOL");
//     digitalWrite(led, LOW);
//     digitalWrite(led2, HIGH);
//     temperature--;
//   }
//   delay(2000);
// }

void loop() {
  // put your main code here, to run repeatedly:
  if(temperature > 32 || led_on){
    Serial.println("temp is HIGH");
    digitalWrite(led, HIGH);
    digitalWrite(led2, LOW);
    temperature--;
  }else if(temperature != 35){
    Serial.print("temp is:");
    Serial.println(temperature);
    digitalWrite(led, HIGH);
    delay(500);
    digitalWrite(led, LOW);
    delay(500);
    digitalWrite(led, HIGH);
    delay(500);
    digitalWrite(led, LOW);
    if(temperature > 30){
      temperature--;
    }else {
      temperature+=5;
    }
  } else {
    Serial.println("temp is COOL");
    digitalWrite(led2, HIGH);
    digitalWrite(led, LOW);
    temperature++;
  }
  delay(2000);
}

// int x = 10;
// int y = 5;
// int result = 2;

// void setup() {
//   // put your setup code here, to run once:
//   Serial.begin(9600);
//   int total = x + y;
//   result *= total;

//   Serial.print("Answer: ");
//   Serial.println(result);

//   Serial.print("Answer greater than 20: ");
//   Serial.println(result > 20);
// }

// void loop() {
//   // put your main code here, to run repeatedly:
// }

// String name = "Rasik";
// int age = 18;
// int math_score = 80;
// int physics_score = 75;
// int chemistry_score = 90;

// void setup() {
//   // put your setup code here, to run once:
//   Serial.begin(9600);
//   Serial.print("name: ");
//   Serial.println(name);

//   Serial.print("age: ");
//   Serial.println(age);

//   Serial.print("math score: ");
//   Serial.println(math_score);

//   Serial.print("physics score: ");
//   Serial.println(physics_score);

//   Serial.print("chemistry score: ");
//   Serial.println(chemistry_score);

//   int total = math_score + physics_score + chemistry_score;
//   float avg = total/3;

//   Serial.print("Total Scores: ");
//   Serial.println(total);

//   Serial.print("Avg Score: ");
//   Serial.println(avg);

//   Serial.print("Avg greater than or equal to 50: ");
//   Serial.println(avg > 50 || avg == 50);

//   Serial.println("increasing student's age for no reason...");
//   age++;

//   Serial.println("decreasing student's chemistry score for no reason...");
//   chemistry_score -= 5;

//   Serial.println();
//   Serial.println();
//   Serial.println();
  
//   Serial.println("updated data is as follows: ");
//   Serial.print("name: ");
//   Serial.println(name);

//   Serial.print("age: ");
//   Serial.println(age);

//   Serial.print("math score: ");
//   Serial.println(math_score);

//   Serial.print("physics score: ");
//   Serial.println(physics_score);

//   Serial.print("chemistry score: ");
//   Serial.println(chemistry_score);

//   total = math_score + physics_score + chemistry_score;
//   avg = total/3;

//   Serial.print("Total Scores: ");
//   Serial.println(total);

//   Serial.print("Avg Score: ");
//   Serial.println(avg);

//   Serial.print("Avg greater than or equal to 50: ");
//   Serial.println(avg > 50 || avg == 50);
// }

// void loop() {
//   // put your main code here, to run repeatedly:
// }