How to use the kivymd.icon_definitions.md_icons function in kivymd

def switch_tabs_to_text(self, istance_android_tabs):
            for instance_tab in istance_android_tabs.ids.scrollview.children[
                0
            ].children:
                for k, v in md_icons.items():
                    if v == instance_tab.text:
                        istance_android_tabs.ids.scrollview.children[0].remove_widget(
                            instance_tab
                        )
                        istance_android_tabs.add_widget(
                            MyTab(text=" ".join(k.split("-")).capitalize())
                        )
                        break

def switch_tabs_to_text(self, istance_android_tabs):
            for instance_tab in istance_android_tabs.ids.scrollview.children[
                0
            ].children:
                for k, v in md_icons.items():
                    if v == instance_tab.text:
                        istance_android_tabs.ids.scrollview.children[
                            0
                        ].remove_widget(instance_tab)
                        istance_android_tabs.add_widget(
                            MyTab(text=" ".join(k.split("-")).capitalize())
                        )
                        break

def switch_tabs_to_text(self, istance_android_tabs):
        for instance_tab in istance_android_tabs.ids.scrollview.children[
            0
        ].children:
            for k, v in md_icons.items():
                if v == instance_tab.text:
                    istance_android_tabs.ids.scrollview.children[
                        0
                    ].remove_widget(instance_tab)
                    istance_android_tabs.add_widget(
                        Factory.KitchenSinkTabItem(
                            text=" ".join(k.split("-")).capitalize()
                        )
                    )
                    break

def on_state(self, *args):
        if self.state == 'down':
            self.check_anim_in.cancel(self)
            self.check_anim_out.start(self)
            self._radio_icon = "{}".format(
                md_icons['checkbox-marked-circle-outline'])
            self._checkbox_icon = "{}".format(
                md_icons['checkbox-marked-outline'])
            self.active = True
        else:
            self.check_anim_in.cancel(self)
            self.check_anim_out.start(self)
            self._radio_icon = "{}".format(
                md_icons['checkbox-blank-circle-outline'])
            self._checkbox_icon = "{}".format(
                md_icons['checkbox-blank-outline'])
            self.active = False

def on_icon(self, instance, value):
        self.ids['_icon'].text = u"{}".format(md_icons[value])

def on_state(self, *args):
        if self.state == 'down':
            self.check_anim_in.cancel(self)
            self.check_anim_out.start(self)
            self._radio_icon = u"{}".format(
                md_icons['checkbox-marked-circle-outline'])
            self._checkbox_icon = u"{}".format(
                md_icons['checkbox-marked-outline'])
            self.active = True
        else:
            self.check_anim_in.cancel(self)
            self.check_anim_out.start(self)
            self._radio_icon = u"{}".format(
                md_icons['checkbox-blank-circle-outline'])
            self._checkbox_icon = u"{}".format(
                md_icons['checkbox-blank-outline'])
            self.active = False

def on_text(self, widget, text):
        # Set the icon
        if text in md_icons:
            self.tab_label.font_name = fonts_path + "materialdesignicons-webfont.ttf"
            self.tab_label.text = md_icons[self.text]
            self.tab_label.font_size = "24sp"
        # Set the label text
        else:
            self.tab_label.text = self.text