def start_flask_app(host, port):
 app.run(host=host, port=port)
 app.config['DEBUG'] = False
 app.config['TESTING'] = False

def start_flask_app ( host , port ) : app . run ( host = host , port = port ) app . config [ 'DEBUG' ] = False app . config [ 'TESTING' ] = False
runs the server .