added shabang to pc main.py so it can be escecuted with minimal fuzz

SW/PC/main.py

@@ -1,3 +1,5 @@
+#!/usr/bin/python
+
 import serial
 import json
 from datetime import datetime
@@ -73,7 +75,7 @@ def write(ser):
                 break
 
 def main():
-    s = serial.Serial(port="/dev/ttyACM1", parity=serial.PARITY_EVEN, stopbits=serial.STOPBITS_ONE, timeout=1)
+    s = serial.Serial(port="/dev/ttyACM0", parity=serial.PARITY_EVEN, stopbits=serial.STOPBITS_ONE, timeout=1)
     s.flush()
     
     rw = input('Read or Write tags? [R/w]')
@@ -95,5 +97,5 @@ def main():
     
 
 
-if __name__ == "__main__":
-    main()
+if __name__ == "__main__":  
+        main()