Working with a Potentiometer and an LED

1const int analog_ip = A0;
2const int LED = 3;
3int inputVal = 0;
4
5void  setup() {
6  pinMode (LED, OUTPUT);
7}
8
9void loop() {
10  inputVal =  analogRead(analog_ip);
11  analogWrite (LED, inputVal/4);
12  delay(100);
13}