traffic light using arduino uno

this is for internship students practice purpose

[@RoboticAIprojects]

int red = 9;
int yellow = 8;
int green = 7;
void setup(){
pinMode(red, OUTPUT);
pinMode(yellow, OUTPUT);
pinMode(green, OUTPUT);
}
void loop(){
digitalWrite(red, HIGH);
delay(10000);
digitalWrite(red, LOW);

// Yellow stays on for 2 seconds
digitalWrite(yellow, HIGH);
delay(1000);
digitalWrite(yellow, LOW);

digitalWrite(green, HIGH);
delay(10000);
digitalWrite(green, LOW);
}