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Renverser une chaine

Programmer une fonction renverser :

  • prenant en paramètre une chaine de caractères mot,

  • renvoyant une nouvelle chaine de caractères en inversant ceux de la chaine mot.

Contrainte

On s'interdit d'utiliser les fonctions reverse et reversed, ainsi que les tranches mot[::-1].

Exemples
>>> renverser('informatique')
'euqitamrofni'
>>> renverser('nsi')
'isn'
>>> renverser('')
''
###(Dés-)Active le code après la ligne # Tests (insensible à la casse)
(Ctrl+I)
Entrer ou sortir du mode "deux colonnes"
(Alt+: ; Ctrl pour inverser les colonnes)
Entrer ou sortir du mode "plein écran"
(Esc)
Tronquer ou non le feedback dans les terminaux (sortie standard & stacktrace / relancer le code pour appliquer)
Si activé, le texte copié dans le terminal est joint sur une seule ligne avant d'être copié dans le presse-papier
Évaluations restantes : 10/10
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