how come i can't stop program

[Shi_Shi_Shi_Shi]

see below for edited python code.

when i press the q key nothing happens but i want to stop the program. help please.

[Shi_Shi_Shi_Shi]

i found (control + c) workd

[Shi_Shi_Shi_Shi]

I have another question when the program runs it presses the w key on the keyboard constantly, but I want it to only run for a few seconds then pause then run again until I press ctrl+c to stop the program.

[Shi_Shi_Shi_Shi]

I have my new code but still i do not know how to stop the program when its running by pressing the q button?

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import cv2 import numpy as np from pynput.keyboard import Key, Controller   keyboard = Controller()   up = 0 down = 0 left = 0 right = 0   number_one = [] number_two = [] number_three = []   def increment_up_down(up, down):     if(up == 0 and down == 0):         down = 40         return up, down     else:         up = up + 40         down = down + 40         return up, down         def increment_left_right(left, right):     if(left == 0 and right == 0):         right = 40         return left, right     else:         left = left + 40         right = right + 40         return left, right         def find_the_average_color_of_an_image(region_of_interest):     #     #  Find the average color in an image     #       height, width, _ = np.shape(region_of_interest)       # calculate the average color of each row of our image     avg_color_per_row = np.average(region_of_interest, axis=0)       # calculate the averages of our rows     avg_colors = np.average(avg_color_per_row, axis=0)       # avg_color is a tuple in BGR order of the average colors     # but as float values     #print(f'avg_colors: {avg_colors}')       # so, convert that array to integers     one, two, three = np.array(avg_colors, dtype=np.uint8)     int_averages = np.array(avg_colors, dtype=np.uint8)     #print(f'int_averages: {int_averages}')       return one, two, three   cap = cv2.VideoCapture(1) cap.set(3, 1920) # width is ID number 3 cap.set(4, 1080) # height is ID number 4   while True:     success, frame = cap.read()     # If the frame was not read successfully, break the loop     if not success:         break         # Crop a region of interest (ROI) from the frame     for i in range(27):         up, down = increment_up_down(up, down)                 counter = 1         for j in range(48):             left, right = increment_left_right(left, right)             # Crop a region of interest (ROI) from the frame             region_of_interest = frame[up:down, left:right]             one = 0             two = 0             three = 0             one, two, three = find_the_average_color_of_an_image(region_of_interest)             number_one.append(one)             number_two.append(two)             number_three.append(three)         left = 0         right = 0     up = 0     down = 0           number_one_minValue = min(number_one)     number_one_maxValue = max(number_one)           number_two_minValue = min(number_two)     number_two_maxValue = max(number_two)           number_three_minValue = min(number_three)     number_three_maxValue = max(number_three)               if ((number_one_maxValue - number_one_minValue) < 100) and ((number_two_maxValue - number_two_minValue) < 100) and ((number_three_maxValue - number_three_minValue) < 100):         keyboard.release('w')     else:         keyboard.press('w')               number_one.clear()     number_two.clear()     number_three.clear()           if cv2.waitKey(1) & 0xFF == ord('q'):         break

[deanhystad]

Did you look at the example for monitoring the keyboard?

https://pynput.readthedocs.io/en/latest/keyboard.html