#include <Servo.h>

Servo SERVO;
long math_random_int(int a,int b) {
  if (a > b) {
    // Swap a and b to ensure a is smaller.
    int c = a;
    a = b;
    b = c;
  }
  return random(a,b);
}

int randAngle;

void setup() {
  SERVO.attach(9);
  pinMode(2, INPUT);
    pinMode(2, INPUT_PULLUP);
  randAngle = 45;

}

void loop() {
    if (digitalRead(2) == LOW) {
      SERVO.write(randAngle);

    } else {
      randAngle = math_random_int(0, 180);

    }

}