问如何使用kivymd上的按钮从列表小部件中删除项目

EN

class MenuScreen(Screen):
    def add_item(self):
        global lst
        i = 0
        if self.ids.inp.text == "":
            close_button = MDFlatButton(text="Okay", on_release=self.close_dialog)
            self.dialog = MDDialog(title="Invalid", text="No item added",
                                   size_hint=(0.7, 1), buttons=[close_button])
            self.dialog.open()
        else:
            list_items.append(self.ids.inp.text)
            self.ids.inp.text = ''
            for x in range(len(list_items)):
                lst = OneLineAvatarIconListItem(text=list_items[i])
                i += 1
            self.ids.list.add_widget(lst)

    def close_dialog(self, obj):
        self.dialog.dismiss()

    def remove_item(self):
        pass