import customtkinter as ct


app = ct.CTk()
app.geometry("712x712")
app.title("википедия мини")
app.resizable(False, False)



def switch_theme_app():
global switch_var_theme

theme = switch_var_theme.get()

if theme == "light":
ct.set_appearance_mode("light")
else: # Иначе
ct.set_appearance_mode("dark") # Устанавливаем темную


switch_var_theme = ct.StringVar(value="light")
switch_theme = ct.CTkSwitch(app , onvalue="light", offvalue="dark")
switch_theme.conf