--- a
+++ b/RaspberryPi/LED.py
@@ -0,0 +1,32 @@
+import RPi.GPIO as GPIO
+import time
+import sys
+
+flag=sys.argv[1]
+count=len(sys.argv[1:])
+
+'''
+if count < 2:
+    print "Argument not supplied"
+    exit()
+'''
+
+GPIO.setmode(GPIO.BCM)
+GPIO.setwarnings(False)
+
+if flag == "1":
+    GPIO.setup(12,GPIO.OUT)
+    GPIO.output(12,GPIO.HIGH)
+    time.sleep(2)
+    GPIO.output(12,GPIO.LOW)
+
+if flag == "0":
+    ct=0
+    GPIO.setup(12,GPIO.OUT)
+    while ct < 5:
+        GPIO.output(12,GPIO.HIGH)
+        time.sleep(0.2)
+        GPIO.output(12,GPIO.LOW)
+        time.sleep(0.2)
+        ct = ct + 1
+