main.py

import cv2
from cvzone.HandTrackingModule import HandDetector
from pynput.keyboard import Key, Controller

cap = cv2.VideoCapture(0)
cap.set(3, 720)
cap.set(4, 420)

detector = HandDetector(detectionCon=0.7, maxHands=1)

keyboard = Controller()
while True:
    _, img = cap.read()
    hands, img = detector.findHands(img)
    if hands:
        fingers = detector.fingersUp(hands[0])
        if fingers == [0, 0, 0, 0, 0]:
            keyboard.press(Key.left)
            keyboard.release(Key.right)
        elif fingers == [1, 1, 1, 1, 1]:
            keyboard.press(Key.right)
            keyboard.release(Key.left)
    else :
        keyboard.release(Key.left)
        keyboard.release(Key.right)
    cv2.imshow("Let's Play", img)
    if cv2.waitKey(1) == ord("q"):
        break