<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def emit_message(self, lines):
 """ Emit message. Default printer emits messages to stderr Parameters lines: list List of strings containing each line of the message """


        for line in lines:
            print(line, file=sys.stderr)