utils.py

def files_list_to_texts(files_list, glob="**/[!.]*"):
    texts = []
    for i in files_list:
        if i.name.split('.')[-1] in ['txt']:
            with open(i.name, encoding='utf-8') as f:
                text = f.readlines()
                text = [i for i in text]
                texts.append(''.join(text))
    return texts