diff --git a/LED_check.py b/LED_check.py
index 0b91823..e0efa8a 100644
--- a/LED_check.py
+++ b/LED_check.py
@@ -19,6 +19,9 @@ def GPIO_setup(LED1_pin, LED2_pin, Button1_pin, Button2_pin):
     GPIO.setup(Button1_pin, GPIO.IN)
     GPIO.setup(Button2_pin, GPIO.IN)
 
+    # GPIO.setup(Button1_pin, GPIO.IN, pull_up_down=GPIO.PUD_DOWN)
+    # GPIO.setup(Button2_pin, GPIO.IN, pull_up_down=GPIO.PUD_DOWN)
+
     return LED_status
 
 
@@ -38,7 +41,10 @@ def main():
 
     t0 = time()
 
-    while time() - t0 < 10:
+    loop_t = time()
+
+    while time() - t0 < 5:
+        print(time() - loop_t)
         # LED1 blink every 2 sec
         if time() - LED1_t < .1 and LED_status[0] == False:
             LED_status[0] = True
@@ -62,6 +68,18 @@ def main():
         if time() - LED2_t >= LED2_t_interval:
             LED2_t = time()
 
+
+        # button press check !!!
+        if GPIO.input(Button1_pin) == GPIO.HIGH:
+            print('button 1 pressed')
+
+        if GPIO.input(Button2_pin) == GPIO.HIGH:
+            print('button 2 pressed')
+
+
+        loop_t = time()
+
+
     GPIO.cleanup()
 
 if __name__ == '__main__':