pyautogui - function to locate numbers in different regions

#! python3

import sys
import pyautogui

# --- functions ---

def find(region):

    found = dict()

    for digit in range(10):
        positions = pyautogui.locateAllOnScreen('digits/{}.png'.format(digit), region=region, grayscale=True)

        for x, _, _, _ in positions:
            found[x] = str(digit)

    cols = sorted(found)
    value = ''.join(found[col] for col in cols)

    return value

# --- main ---

# locate Power
power = find( (888, 920, 150, 40) )
print(power)

# locate other value in different region
other = find( (888, 1120, 150, 40) )
print(other)