def get_suffix(name):
    """Check if file name have valid suffix for formatting.
       if have suffix return it else return False.
    """
    a = name.count(".")
    if a:
        ext = name.split(".")[-1]
        if ext in LANGS.keys():
            return ext
        return False
    else:
        return False
Check if file name have valid suffix for formatting.
       if have suffix return it else return False.