import time import os def robot(text): print("executing command") command = 'espeak --stdin "' + text + '" | aplay -D plughw:2,0 ' os.system(command) return command if __name__ == '__main__': while True: try: print("initializing") command = robot("Hello world how are you doing today?") print(command) time.sleep(10) except KeyboardInterrupt: break time.sleep(1)