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  1. import flet as cs
  2.  
  3. def main(page: cs.Page):
  4.     def toggle_theme(e):
  5.         if page.theme_mode == cs.ThemeMode.DARK:
  6.             page.theme_mode = cs.ThemeMode.LIGHT
  7.         else:
  8.             page.theme_mode = cs.ThemeMode.DARK
  9.         page.update()
  10.  
  11.     theme_switch = cs.Switch(label="Dark Mode", on_change=toggle_theme)
  12.     page.add(theme_switch)
  13.  
  14. cs.app(target=main)
  15.  
Success #stdin #stdout #stderr 0.02s 6820KB
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stdin
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Standard input is empty
stdout
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Standard output is empty
stderr
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ERROR: /home/pWsIQu/prog:14:19: Syntax error: Unexpected end of file
ERROR: '$runtoplevel'/0: Undefined procedure: program/0
   Exception: (3) program ? EOF: exit
https://ideone.com/Nl4VKc
language:
Prolog (swi 7.6.4)
created:
15 days ago
visibility:
public

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