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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def bugzscout_app(environ, start_response):
 """Simple WSGI application that returns 200 OK response with 'Hellow world!' in the body. If an uncaught exception is thrown, it is reported to BugzScout. :param environ: WSGI environ :param start_response: function that accepts status string and headers """

    try:
        start_response('200 OK', [('content-type', 'text/html')])
        return ['Hellow world!']
    except Exception as ex:
        # Set the description to a familiar string with the exception
        # message. Add the stack trace to extra.
        b.submit_error('An error occurred in MyApp: {0}'.format(ex.message),
                       extra=traceback.extract_tb(*sys.exc_info()))

        # Reraise the exception.
        raise ex