pyhton3 读TXT值MD5加密

import time
import hashlib

filtpath=test.txt"

#转md5
def do_md5line(row):
    with open(filtpath[0:-4] + "_md5.txt","a") as file_handle:
        _value=row[3]
        m=hashlib.md5(_value.encode())#变成bytes类型才能加密
        str_md5=m.hexdigest()
        file_handle.write(str_md5)                                 
        file_handle.write("
")

        
with open(filtpath, "r") as f:
    print(time.strftime("%Y-%m-%d %H:%M:%S") + " 开始..." + filtpath)
    line_num = 0
    for row in f.readlines():
        row = row.strip("
")  #去掉换行符
        print(row)
        line_num += 1
        #do_md5line(row)
        if (line_num != 1): # 第一行标题头去掉
            do_md5line(row)
            print(line_num)
    print(time.strftime("%Y-%m-%d %H:%M:%S") + " 结束..." + filtpath)