// include the servo library
#include <Servo.h>

Servo myServo;
// creates an instance of the servo object to control a servo
// declare the control pin for servo motor, call it servoPin

void setup() {
  // initialize serial communications
  // attach the servo object to the servoPin
  myServo.attach(3);
}

void loop() {
  // read the analog input
  int sensor = analogRead(A0);
  int angle = map(sensor, 0, 1023, 0, 179);

  // print it to the serial monitor

  // make a new int called angle - use the map() function to map the range of your sensor to the range of the servo (which is 0 to 179)
  // move the servo using the angle from the sensor with the servo write() function
  myServo.write(angle);
  delay(20);
}