cesar.py

1 files changed, 13 insertions, 14 deletions

diff --git a/cesar.py b/cesar.py
index ca6fb12..e9381d7 100644
--- a/cesar.py
+++ b/cesar.py
@@ -1,20 +1,19 @@
-liste=['a','b','c','d','e','f','g','h','i','j','k','l','m','n','o','p','q','r','s','t','u','v','w','x','y','z','a','b','c','d','e','f','g','h','i','j','k','l','m','n','o','p','q','r','s','t','u','v','w','x','y','z','A','B','C','D','E','F','G','H','I','J','K','L','M','N','O','P','Q','R','S','T','U','V','W','X','Y','Z','A','B','C','D','E','F','G','H','I','J','K','L','M','N','O','P','Q','R','S','T','U','V','W','X','Y','Z']
+def decalage(lettre,clef):
+    liste=['a','b','c','d','e','f','g','h','i','j','k','l','m','n','o','p','q','r','s','t','u','v','w','x','y','z','a','b','c','d','e','f','g','h','i','j','k','l','m','n','o','p','q','r','s','t','u','v','w','x','y','z','A','B','C','D','E','F','G','H','I','J','K','L','M','N','O','P','Q','R','S','T','U','V','W','X','Y','Z','A','B','C','D','E','F','G','H','I','J','K','L','M','N','O','P','Q','R','S','T','U','V','W','X','Y','Z']
 
-def decalage(lettre,liste,clef):
-    for i in range(len(liste)):
-        if lettre not in liste:
-            return lettre
-        elif lettre==liste[i]:
-            return str(liste[i+clef])
+    if lettre not in liste:
+        return lettre
+    else:
+        return liste[liste.index(lettre)+clef]
 
-message_chiffre = str()
+msg_chiffre = str()
 while True:
-    message = input('Entrez le texte à chiffrer (q pour quitter) : ')
-    if message == "q" or message =="Q":
+    msg = input('Entrez le texte à chiffrer (q pour quitter) : ')
+    if msg.lower() == "q":
         print("bye")
         exit()
     clef = int(input('Entrez votre clef : '))
-    for lettre in message:
-        message_chiffre += decalage(lettre,liste,clef)
-    print(message_chiffre)
-    message_chiffre=""
+    for lettre in msg:
+        msg_chiffre += decalage(lettre,clef)
+    print(msg_chiffre)
+    msg_chiffre = ""