text: import cv2
  import numpy as np
  import pyautogui
  
  cap = cv2.VideoCapture(0)
  
  yellow_lower = np.array([22, 93, 0])
  yellow_upper = np.array([45, 255, 255])
  prev_y = 0
  
  
  while True:
      ret, frame =cap.read()
      hsv = cv2.cvtColor(frame, cv2.COLOR_BGR2HSV)
      mask = cv2.inRange(hsv, yellow_lower, yellow_upper)
      controus, hierarchy = cv2.findContours(mask, cv2.RETR_EXTERNAL, cv2.CHAIN_APPROX_SIMPLE)
      for c in controus:
          area = cv2.contourArea(c)
          if area > 300:
             x, y, w, h =cv2.boundingRect(c)
             cv2.rectangle(frame, (x, y), (x + w, y + h), (0, 255, 0), 2)
             if y < prev_y:
                 pyautogui.press('space')
             prev_y = y
      cv2.imshow('frame',frame)
  
      if cv2.waitKey(10) == ord('q'):
          break
  
  cap.release()
  cv2.destroyAllWindows()
  
  