code: def port_str_arrange(ports):
      
      b_tcp = ports.find("T")
      b_udp = ports.find("U")
      if (b_udp != -1 and b_tcp != -1) and b_udp < b_tcp:
          return ports[b_tcp:] + ports[b_udp:b_tcp]
  
      return ports
docs: Gives a str in the format (always tcp listed first).
      T:<tcp ports/portrange comma separated>U:<udp ports comma separated>