Button and LED if/else

int buttonValue; //introduce variable

void setup() {

Serial.begin(9600); //begin serial communication

pinMode(7,INPUT); //pin 7 is an input

pinMode(9, OUTPUT); //pin 9 is an output

}

void loop() {

buttonValue=digitalRead(7); //read from pin 7 and store it to buttonValue

Serial.println(buttonValue); //print that value

if(buttonValue==1) //check if value is equal to 1

{

digitalWrite(9,HIGH); //if so send high signal to pin 9

}

else

{

digitalWrite(9,LOW); //if not turn it to low signal

}

}