expected unqualified-id before 'if'

My code gives out this error:

---

   if (sensorvalue <= 40) {

   ^

MY_RGB_sound:32:3: error: expected unqualified-id before 'if'

   if (sensorvalue <= 45) {

   ^

MY_RGB_sound:37:3: error: expected unqualified-id before 'else'

   else {

   ^

MY_RGB_sound:42:1: error: expected declaration before '}' token

 }

 ^

exit status 1
expected unqualified-id before 'if'

---

Tried googling it and nothing helpful comes up. I never understand when people talk code unless i hear them.

int red_pin= 11;
int green_pin = 10;
int blue_pin = 9;
int DO = 2; //Pin for Digital Output - DO
int DA = A0; // Pin for Analog Output - AO
int sensorvalue = 0;

void setup() {
  Serial.begin(9600);
  pinMode(11, OUTPUT);
  pinMode(10, OUTPUT);
  pinMode(9, OUTPUT);
}
void loop() {
  sensorvalue = analogRead(DA);  //Read the analog value
  Serial.print("Analog: ");
  Serial.print(sensorvalue);  //Print the analog value
  Serial.print("  ");
  Serial.print("Digital: ");
  Serial.println(digitalRead(DO));  //Print the digital value

//  if (sensorvalue <= 40) {
//    digitalWrite(11, HIGH);
//    digitalWrite(10, LOW);
//    digitalWrite(9, LOW);
  }
  if (sensorvalue <= 40) {
    digitalWrite(11, LOW);
    digitalWrite(10, HIGH);
    digitalWrite(9, LOW);    
  }
  if (sensorvalue <= 45) {
    digitalWrite(11, LOW);
    digitalWrite(10, LOW);
    digitalWrite(9, HIGH);
  }
  else {
    digitalWrite(11, HIGH);
    digitalWrite(10, HIGH);
    digitalWrite(9, LOW);
  }
}

Should give no error and pins should provide the right output