//Traffic lights drill

function doTrafficLights() {
  const activeLight = getActiveLight();
  if(activeLight === 'red') {
    turnRed();
  } else if(activeLight === 'green')  {
    turnGreen();
  } else {
    turnYellow();
  }
};

//Error alert drill

function main() {
  try {
    doAllTheThings();
  } catch(err) {
    console.error(err);
    reportError(err);
  }
}