#!/usr/bin/env python3

import sys, termios, tty, os, time
 
def getch():
    fd = sys.stdin.fileno()
    old_settings = termios.tcgetattr(fd)
    try:
        tty.setraw(sys.stdin.fileno())
        ch = sys.stdin.read(1)
 
    finally:
        termios.tcsetattr(fd, termios.TCSADRAIN, old_settings)
    return ch

while True:
    char = getch()
 
    if (char == "p"):
        print("Stop!")
        exit(0)
 
    if (char == "a"):
        print("Left pressed")
        time.sleep(1)