#include <Stepper.h>
const int stepsPer = 200;  

Stepper myStepper(stepsPer, 8,9,10,11);
const int buttonPin = 7; 
int buttonState = 0;     

void setup() {

  myStepper.setSpeed(60);
  pinMode(buttonPin, INPUT_PULLUP);
}

void loop() {
  
  buttonState = digitalRead(buttonPin);
  if (buttonState == LOW) {
    myStepper.step(stepsPer);
  } else {
    
    myStepper.step(-stepsPer);
  }
}