new_contents: def add_point_to_ip( ip_addr ) :
      """This function accepts a 12 hex digit string and converts it to a colon separated string"""
      s = list()
      for i in range(8/2) :       # mac_addr should always be 12 chars, we work in groups of 2 chars
          s.append( int(ip_addr[i*2:i*2+2],16) )
      r = str(s[0]).strip() + "." + str(s[1]).strip() + "." + str(s[2]).strip() + "." + str(s[3]).strip()
      return r
  
subject: Create ethernetip.py