//creating functions
int encodeNumber(int number){
  //int result = (number+3)*5;
  //return result;
  return (number+3)*5; //this will give the same result as the code above
}

void printEncodedNumber(int number){ //putting void means that the function doesn't return anything
  Serial.println(encodeNumber(number));
}

int number1 = 5;
int number2 = 6;

void setup() {
  // put your setup code here, to run once:
  //int encodedNumber1 = (number1+3)*5;
  //int encodedNUmber2 = (number2+3)*5; //same process here, a bit tedious to have to 
  //do this every time
   Serial.begin(9600);
   int encodedNumber1 = encodeNumber(number1);
   int encodedNumber2 = encodeNumber(number2);

   printEncodedNumber(number1);
}

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

}
// global variables can be delcared in any scope
// local variables can only be delcared in the scope they were created in or in nested scopes within that scope.