写一个验证码识别程序

import cv2
    import numpy as np
    import os
    import random
    import string
    import time
    import sys
    import math
    import matplotlib.pyplot as plt
    import matplotlib.animation as animation
    import matplotlib.patches as patches
    import matplotlib.path as path
    import matplotlib.patches as patches
    import matplotlib.pyplot as plt
    import matplotlib.colors as colors