# FILE:     homework09.py
# AUTHOR:   Eugene Wallingford
# DATE:     2014/11/01
# COMMENT:  A module that provides the get_files() function.

import os

def name_of(filename):
    name,ext = filename.split('.')
    return name

def ext_of(filename):
    name,ext = filename.split('.')
    return ext

def get_files():
    return [f for f in os.listdir('.') \
              if os.path.isfile(f) and \
              name_of(f) != '' and ext_of(f) == 'txt']