It detects simultaneous keyboard presses

keypresses.py

import time

import keyboard


def get_pressed_keys() -> set[str]:
    """It obtains the pressed keyboard keys"""
    keyboard._listener.start_if_necessary()
    
    with keyboard._pressed_events_lock:
        return set(map(lambda event: event.name, keyboard._pressed_events.values()))
    
    
def record_pressed_keys(until: str, framerate: int = 30) -> list[tuple[float, set[str]]]:
    """It records all pressed keyboard keys until the hotkey is pressed"""
    assert framerate > 0, "The framerate has to be greater than 0"
    
    recording = []
    frequency = 1 / framerate

    until = keyboard.normalize_name(until)
    start = time.perf_counter()
    
    while True:
        pressed_keys = get_pressed_keys()
        
        if pressed_keys:
            if until in pressed_keys: break
            recording.append((time.perf_counter() - start, pressed_keys))
            
        time.sleep(frequency)
        
    return recording


if __name__ == "__main__":
    recording = record_pressed_keys(until="escape")
    print(recording)