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import pyautogui
import pytesseract
import re
import openpyxl
import time

# Set the resolution of the screen
screen_resolution = (1920, 1080)

# Set the letters to recognize
letters_to_recognize = 'ABC'

# Set the output Excel file name
output_file = 'recognized_letters.xlsx'

# Create a new Excel workbook and worksheet
workbook = openpyxl.Workbook()
worksheet = workbook.active
worksheet.cell(row=1, column=1, value='Recognized Letters')

# Initialize a counter for the number of recognized letters
letter_count = 0

while True:
    # Start the screen capture
    image = pyautogui.screenshot()

    # Convert the image to grayscale and apply threshold
    image = image.convert('L')
    threshold = 200
    image = image.point(lambda x: 0 if x < threshold else 255)

    # Recognize text using Tesseract OCR
    text = pytesseract.image_to_string(image)

    # Search for the desired letters in the recognized text
    recognized_letters = re.findall(f'[{letters_to_recognize}]', text)

    # Write the recognized letters to the worksheet
    for letter in recognized_letters:
        letter_count += 1
        worksheet.cell(row=letter_count+1, column=1, value=letter)

    # Save the workbook to the output file
    workbook.save(output_file)

    # Wait for a specified interval before capturing the screen again
    time.sleep(1)