made esc button also shut down

scripts/esc-button.py

@@ -9,6 +9,9 @@ GPIO.setup(3, GPIO.IN)
 
 pressed = False
 
+shutdown = 3 * 10
+iterations = 0
+
 while True:
     current = not GPIO.input(3)
 
@@ -18,5 +21,11 @@ while True:
     elif not current and pressed:
         call(["xdotool", "keyup", "Escape"])
         pressed = False
+        iterations = 0
+
+    if current:
+        iterations += 1
+        if iterations > shutdown:
+            call(["sudo", "shutdown", "-h", "now"])
 
     time.sleep(0.1)