리스트안에서 '#'이 키보드 a,d키에 따라 양옆으로 움직이는 코드를 짜고싶은데 실행할 때, a키 누르고 엔터해야 실행되는게아니라 a키 누르면 바로 실행되게 하고싶은데 어떻게 해야 할까요?

    import random

    from pynput.keyboard import Key, Listener

    myList=['2','4','1','7','5','6','9','3','8','10']
    if__name__=='__main__':
        rand_index = random.randint(0,9)
        myList[rand_index] = '#'

     while True:
        print(myList)
        command=input("command : ")

        if command == 'a' or command == 'A':
            if not rand_index == 0:
             myList[rand_index], myList[rand_index-1] = myList[rand_index-1], myList[rand_index]
             rand_index= rand_index-1

         elif command=='d' or command=='D':
            if not rand_index == 9:
             myList[rand_index], myList[rand_index + 1] = myList[rand_index + 1], myList[rand_index]
             rand_index = rand_index + 1
         elif command=='exit':
            break


    def on_press(key):
        try:
            print(type(key.char))
            if key.char == 'a'or'A':
                print('a pressed')
            elif key. char == 'd'or'D':
                print('d pressed')
        except AttributeError:
            print()


    def on_release(key):
        try:
            print(type(key.char))
            if key == Key.esc:
                return False
            elif key.char == 'a' or 'A':
                print('a released')
            elif key.char == 'd' or 'D':
                print('d released')
            except AttributeError:
                print()

    with Listener(
            on_press=on_press,
            on_release=on_release) as listener:
        listener.join()