def set_key(key, value, host=None, port=None, db=None, password=None):
 server = _connect(host, port, db, password)
 return server.set(key, value)

def set_key ( key , value , host = None , port = None , db = None , password = None ) : server = _connect ( host , port , db , password ) return server . set ( key , value )
updates a parsed yaml structure setting a key to a value .