blinking led on gpio port 4

led.py

@@ -0,0 +1,23 @@
+#!/usr/bin/python
+
+from time import sleep
+
+import RPi.GPIO as GPIO
+
+print 'blah'
+
+try:
+    GPIO.setmode(GPIO.BCM)
+    GPIO.setup(4, GPIO.OUT)
+
+    while True:
+        GPIO.output(4, 1)
+        sleep(1)
+        GPIO.output(4, 0)
+        sleep(1)
+except KeyboardInterrupt:
+    GPIO.output(4, 0)
+finally:
+    GPIO.cleanup()
+
+print 'end'