import time
 
def hour_timer():
    total_seconds = 60 * 60  # 1 hour in seconds
 
    try:
        for remaining in range(total_seconds, 0, -1):
            mins, secs = divmod(remaining, 60)
            time_format = '{:02d}:{:02d}'.format(mins, secs)
            print(f"Time left: {time_format}", end='\r')
            time.sleep(1)
        print("\nTime's up! 1 hour has passed.")
    except KeyboardInterrupt:
        print("\nTimer interrupted by user.")
 
if __name__ == "__main__":
    hour_timer()
 

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