organisation

1 files changed, 16 insertions, 0 deletions

diff --git a/crypto/rot13.py b/crypto/rot13.py
new file mode 100644
index 0000000..b2730f1
--- /dev/null
+++ b/crypto/rot13.py
@@ -0,0 +1,16 @@
+#!/usr/bin/env python
+
+import string
+
+def rot13(char):
+    liste = list(string.ascii_lowercase)*2 + list(string.ascii_uppercase)*2
+    if char not in liste:
+        return char
+    else:
+        return liste[liste.index(char)+13]
+
+msg = input("Votre message : ")
+msgChiffre = str()
+for lettre in msg:
+    msgChiffre = msgChiffre + rot13(lettre)
+print(msgChiffre)