diff --git a/.obsidian/workspace.json b/.obsidian/workspace.json
index 340eb50..4bd9308 100644
--- a/.obsidian/workspace.json
+++ b/.obsidian/workspace.json
@@ -31,7 +31,8 @@
               }
             }
           }
-        ]
+        ],
+        "currentTab": 1
       }
     ],
     "direction": "vertical"
@@ -97,7 +98,7 @@
             "state": {
               "type": "backlink",
               "state": {
-                "file": "Algo/Courses/Chapter 6 - Lists (Exercises).md",
+                "file": "Algo/Courses/Chapter 6 - Lists.md",
                 "collapseAll": false,
                 "extraContext": false,
                 "sortOrder": "alphabetical",
@@ -114,7 +115,7 @@
             "state": {
               "type": "outgoing-link",
               "state": {
-                "file": "Algo/Courses/Chapter 6 - Lists (Exercises).md",
+                "file": "Algo/Courses/Chapter 6 - Lists.md",
                 "linksCollapsed": false,
                 "unlinkedCollapsed": true
               }
@@ -137,7 +138,7 @@
             "state": {
               "type": "outline",
               "state": {
-                "file": "Algo/Courses/Chapter 6 - Lists (Exercises).md"
+                "file": "Algo/Courses/Chapter 6 - Lists.md"
               }
             }
           },
@@ -168,10 +169,10 @@
       "command-palette:Open command palette": false
     }
   },
-  "active": "eaf65669cfff2a2c",
+  "active": "26919eaeae9a8f38",
   "lastOpenFiles": [
-    "Algo/Courses/Chapter 6 - Lists.md",
     "Algo/Courses/Chapter 6 - Lists (Exercises).md",
+    "Algo/Courses/Chapter 6 - Lists.md",
     "Algo/Séminaire/Chapter 1 - CAML basics.md",
     "Prog/Loops.md",
     "Algo/Séminaire/Chapter 5 - Recursivity.md",
diff --git a/Algo/Courses/Chapter 6 - Lists.md b/Algo/Courses/Chapter 6 - Lists.md
index da89b8c..f9750c4 100644
--- a/Algo/Courses/Chapter 6 - Lists.md	
+++ b/Algo/Courses/Chapter 6 - Lists.md	
@@ -1,4 +1,4 @@
-<center><img src="https://programmerhumor.io/wp-content/uploads/2023/05/programmerhumor-io-python-memes-programming-memes-6fef32a6e78e9b8-608x507.jpg" height=auto width=300/> </center>
+<center><img src="https://media.licdn.com/dms/image/D4E10AQGlMBWHsRbwFw/image-shrink_800/0/1697459414018?e=1698069600&v=beta&t=qRLDG5JFr1hQoznyFYY6Nox92XQUR78ZfbAL5nApwi8" height=auto width=300/> </center>
 
 ## Linear list
 ### Def