def extend(self, item):
        """Extend the list with another list. Each member of the list must be a string."""
        if not isinstance(item, list): raise TypeError('You can only extend lists with lists. You supplied \"%s\"' % type(item))
        for entry in item:
            if not isinstance(entry, str): raise TypeError('Members of this object must be strings. You supplied \"%s\"' % type(entry))
            list.append(self, entry)
Extend the list with another list. Each member of the list must be a string.
recipes/Python/284569_caselessList/recipe-284569.py