Parcours String Python

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DATE: March 21, 2014, 9:04 a.m.

FORMAT: Python

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# coding=utf-8

import os


chaine = "Salut les ZER0S !"
print(chaine[0]) #Premiere lettre de la chaine
print()
print(chaine[2]) # Troisieme lettre de la chaine
print()
print(chaine[-1]) # Derniere lettre de la chaine

print(len(chaine))
print()

i = 0
while i<len(chaine):
    print(chaine[i]) # On affiche le caractere à la position i
    i+=1
print()

#Selection de chaine
presentation = "salut"
print(presentation[0:2]) # On selectionne les deux premiers caracteres
print()

print(presentation[2:]) # On selectionne la chaine sauf les 2 premieres lettres
print()

#Remplacer (sans méthode count,find,replace)
mot = "lac"
mot = "b"+mot[1:]
print(mot)
print()
os.system("pause")