diff --git a/content/week_1_3/PA_1_3_Data_Cleaning_and_Boosting_Productivity.ipynb b/content/week_1_3/PA_1_3_Data_Cleaning_and_Boosting_Productivity.ipynb
index deed9a68bcd0f1f271d61f3f3d7de866e4c08885..01d9684f319b105a2b2bd3c5db17804c3a990ebe 100644
--- a/content/week_1_3/PA_1_3_Data_Cleaning_and_Boosting_Productivity.ipynb
+++ b/content/week_1_3/PA_1_3_Data_Cleaning_and_Boosting_Productivity.ipynb
@@ -609,25 +609,8 @@
     "<div style=\"background-color:#AABAB2; color: black; vertical-align: middle; padding:15px; margin: 10px; border-radius: 10px\">\n",
     "<p>\n",
     "<b>Task 3.1:</b>   \n",
-    "    <a href=\"https://marketplace.visualstudio.com/items?itemName=MS-vsliveshare.vsliveshare\">Download and install the Visual Studio Live Share Extension from Marketplace</a> and reload Visual Studio Code. For Linux see <a href=\"https://learn.microsoft.com/en-us/visualstudio/liveshare/reference/linux\"> this website</a>\n",
+    "    Download, install and login in the Visual Studio Live Share Extension from the Visual Studio Marketplace as explained in the book\n",
     "</p>\n",
-    "</div>\n",
-    "\n",
-    "<div style=\"background-color:#AABAB2; color: black; vertical-align: middle; padding:15px; margin: 10px; border-radius: 10px\">\n",
-    "<p>\n",
-    "<b>Task 3.2:</b>   \n",
-    "    To collaborate, you'll need to sign in to Visual Studio Live Share so everyone knows who you are. This sign-in is a security measure and doesn't add you to marketing activities or other research activities. You can sign in by using a Microsoft personal account (for example, @outlook.com), your TU-Delft account (@student.tudelft.nl), or a GitHub account.\n",
-    "</p>\n",
-    "<p>\n",
-    "    Select <strong>Live Share</strong> on the status bar or select <strong>Ctrl+Shift+P</strong> or <strong>Cmd+Shift+P</strong> and then select <strong>Live Share: Sign In.</strong>\n",
-    "</p>\n",
-    "<img src=\"https://learn.microsoft.com/en-us/visualstudio/liveshare/media/install-live-share-visual-studio-code/live-share-button-status-bar.png\" alt=\"Live Share Button\">\n",
-    "<p>\n",
-    "A prompt to sign in displays. When you select your sign-in preference, a browser opens so you can complete the sign-in process. Close the browser when you're done.\n",
-    "</p>\n",
-    "<img src=\"https://learn.microsoft.com/en-us/visualstudio/liveshare/media/install-live-share-visual-studio-code/live-share-sign-in-options.png\">\n",
-    "<p>\n",
-    "If Visual Studio Code isn't picking up your sign-in after you complete the sign-in process in the browser, see <a href=\"https://learn.microsoft.com/en-us/visualstudio/liveshare/troubleshooting#sign-in\"> this website</a>\n",
     "</div>"
    ]
   },
@@ -646,7 +629,7 @@
    "source": [
     "<div style=\"background-color:#AABAB2; color: black; vertical-align: middle; padding:15px; margin: 10px; border-radius: 10px\">\n",
     "<p>\n",
-    "<b>Task 3.3:</b>   \n",
+    "<b>Task 3.2:</b>   \n",
     "    Use your normal workflow to open a folder\n",
     "</p>\n",
     "</div>"
@@ -659,7 +642,7 @@
    "source": [
     "<div style=\"background-color:#AABAB2; color: black; vertical-align: middle; padding:15px; margin: 10px; border-radius: 10px\">\n",
     "<p>\n",
-    "<b>Task 3.4:</b>   \n",
+    "<b>Task 3.3:</b>   \n",
     "    Start a collaboration session: select <strong>Live Share</strong> on the status bar or select <strong>Ctrl+Shift+P</strong> or <strong>Cmd+Shift+P</strong> and then select <strong>Live Share: Start collaboration session (Share)</strong>.\n",
     "</p>\n",
     "<img src=\"https://learn.microsoft.com/en-us/visualstudio/liveshare/media/install-live-share-visual-studio-code/live-share-button-status-bar.png\" alt=\"Live Share Button\">\n",
@@ -684,7 +667,7 @@
    "source": [
     "<div style=\"background-color:#AABAB2; color: black; vertical-align: middle; padding:15px; margin: 10px; border-radius: 10px\">\n",
     "<p>\n",
-    "<b>Task 3.5:</b>   \n",
+    "<b>Task 3.4:</b>   \n",
     "    Copy the invitation link in your web browser.\n",
     "</p>\n",
     "</div>"
@@ -703,7 +686,7 @@
    "source": [
     "<div style=\"background-color:#AABAB2; color: black; vertical-align: middle; padding:15px; margin: 10px; border-radius: 10px\">\n",
     "<p>\n",
-    "<b>Task 3.6:</b>   \n",
+    "<b>Task 3.5:</b>   \n",
     "    Login using the same steps as in task 3.2.\n",
     "</p>\n",
     "</div>"
@@ -715,7 +698,7 @@
    "source": [
     "<div style=\"background-color:#AABAB2; color: black; vertical-align: middle; padding:15px; margin: 10px; border-radius: 10px\">\n",
     "<p>\n",
-    "<b>Task 3.7:</b>   \n",
+    "<b>Task 3.6:</b>   \n",
     "    Go back to your desktop participant of VS code and try typing a few lines of correct code in the cell below. Do you see the same change in the browser happening live?\n",
     "</p>\n",
     "</div>"
@@ -736,7 +719,7 @@
    "source": [
     "<div style=\"background-color:#AABAB2; color: black; vertical-align: middle; padding:15px; margin: 10px; border-radius: 10px\">\n",
     "<p>\n",
-    "<b>Task 3.8:</b>   \n",
+    "<b>Task 3.7:</b>   \n",
     "    Go back to your browser version of VS code and try running the cell. Note that this requires Requesting access in the browser participant. Request that access and approve it in the desktop participant of VS code. In the desktop participant you now need to select your python environment. Does the cell run? Do you see the output in both participants? Make sure the output doesn't show an error!\n",
     "</p>\n",
     "</div>"
@@ -748,7 +731,7 @@
    "source": [
     "<div style=\"background-color:#AABAB2; color: black; vertical-align: middle; padding:15px; margin: 10px; border-radius: 10px\">\n",
     "<p>\n",
-    "<b>Task 3.9:</b>   \n",
+    "<b>Task 3.8:</b>   \n",
     "    Let's try to make sense of what's happening. Where is the code executed? Run the following code cell from the browser participant. On which computer does this collaborative session run?\n",
     "</p>\n",
     "</div>"
@@ -777,7 +760,7 @@
    "source": [
     "<div style=\"background-color:#AABAB2; color: black; vertical-align: middle; padding:15px; margin: 10px; border-radius: 10px\">\n",
     "<p>\n",
-    "<b>Task 3.10:</b>   \n",
+    "<b>Task 3.9:</b>   \n",
     "    Explore some of the functionalities of the Live Share (session chat, following). More information can be found <a href=\"https://learn.microsoft.com/en-us/visualstudio/liveshare/\">here</a>.\n",
     "</p>\n",
     "</div>"
@@ -789,7 +772,7 @@
    "source": [
     "<div style=\"background-color:#AABAB2; color: black; vertical-align: middle; padding:15px; margin: 10px; border-radius: 10px\">\n",
     "<p>\n",
-    "<b>Task 3.11:</b>   \n",
+    "<b>Task 3.10:</b>   \n",
     "    Stop the collaboration session on the desktop-participant by opening the Live Share view on the <strong>Explorer</strong> tab or the <strong>VS Live Share tab</strong> and select the <strong>Stop collaboration session</strong> button:\n",
     "</p>\n",
     "<img src=\"https://learn.microsoft.com/en-us/visualstudio/liveshare/media/vscode-end-collaboration-viewlet.png\">\n",