纯数字字符相加的验证码破解

import time
from pytesseract import pytesseract
from selenium import webdriver
from PIL import Image
if __name__ == '__main__':
    browser = webdriver.Chrome(executable_path='D:pythonScriptschromedriver.exe')
    url = 'url'
    browser.get(url)
    browser.save_screenshot('D:图片print.png')
    element = browser.find_element_by_xpath('//*[@id="VerifCode"]')#验证码所在的xpath路径
    #获得验证码xy轴坐标
    location = element.location
    size = element.size
    rangle = (int(location['x']), int(location['y']), int(location['x'] + size['width']),
          int(location['y'] + size['height']))
    #浏览器最大化保存图片到指定文件夹下
    browser.maximize_window()
    im = Image.open('D:图片print.png')
    im = im.crop(rangle)
    im.save('验证码.png')
    shibie = Image.open('验证码.png')
    imgry = shibie.convert('L')
    table = [1] * 256
    for i in range(256):
        table[i] = 0
        if i > 115:
            break
    out = imgry.point(table, '1')
    out.show()
    box = (10, 10, 125, 45)
    out.crop(box)
    result = pytesseract.image_to_string(out)
    yanzheng = result.split(' ')
    first = yanzheng[0][0]
    last = len(yanzheng[-1])
    if last >= 3:
        lastnum=yanzheng[-1][-2:]
    else:
        lastnum=yanzheng[-1][-1]
    jieguo = int(lastnum) - int(first)
    print(jieguo)

识别达到99%，另外的1%其实也是可以解决的，有时间再解决。