substitution0

substitution0/sol.py

@@ -0,0 +1,18 @@
+#!/home/maxime/.pyvenv/bin/python3
+
+key = "OHNFUMWSVZLXEGCPTAJDYIRKQB"
+
+D = {}
+for i, char in enumerate(key):
+    D[char] = chr(ord('A') + i)
+    D[char.lower()] = chr(ord('a') + i)
+
+with open("message.txt", 'r') as f:
+    for char in f.read():
+        if char in D:
+            print(D[char], end='')
+        else:
+            print(char, end='')
+
+print()
+