test.py

#!/usr/bin/env python
#-*-coding:utf-8-*-


import os 
import doctest

liste = []

def test():
    
    
    for i in os.listdir("/home/mhmt/Belgeler"):
        if i.endswith(".py"):
            if i not in liste:
               doctest.testfile(i)
               liste.append(i)


test()