-module(helloworld). 
-export([start/0, call/2]). 

call(Arg1, Arg2) ->
   io:format("~p ~p~n", [Arg1, Arg2]). 

start() ->
   Pid = spawn(?MODULE, call, ["hello", "process"]), 
   io:fwrite("~p~n",[pid_to_list(Pid)]).