Exercice 64
Écrire un programme python comme une fonction qui prend comme paramètre une chaîne s et qui retourne
une autre chaîne obtenue à partir de s en supprimant les espaces au début de la chaîne s et les espaces à la fin de la chaîne s sans utiliser le lstrip () ni aucune méthode prédéfinie.
Exemple si s = " Bonjour " , la fonction renvoie la chaîne
"Bonjour"
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# coding: utf-8 def removeSpace(s): n = len(s) # initialisation du nombre d'espace à la fin de la chaine s j = 0 while(s[n-1-j]) == " ": j = j + 1 s = s[:n-j] # initialisation du nombre d'espace au début de la chaine s i = 0 while s[i] == " ": i = i + 1 s = s[i:] return s # Exemple s = " Hello World " print("'",s,"'") # affiche : ' Hello World ' print("'",removeSpace(s),"'") # affiche :'Hello World' |
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