diff --git a/language-models.ipynb b/language-models.ipynb
index b0c47605c0d585f3c64760f97ad5600d14181c99..c2bcf32ce2a326172c9a630ba7ff643364d8736c 100644
--- a/language-models.ipynb
+++ b/language-models.ipynb
@@ -91,6 +91,16 @@
     "A **bigram language model**, for instance, takes the immediately preceding word to determine the probabilities for the next word. We use `<s>` to indicate the start token. Modify this code snippet so that each `prev` term (key) has a dictionary consisting of the number of times the `curr` term appears afterwards."
    ]
   },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "id": "71a7ec72",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "os.chdir(\"assessments\")"
+   ]
+  },
   {
    "cell_type": "code",
    "execution_count": null,
diff --git a/large-language-models.ipynb b/large-language-models.ipynb
index 8e6db90948400a353ca86a6f3924578e6d744c53..59918c4430533228733ccd6dfc2ccadedeb85738 100644
--- a/large-language-models.ipynb
+++ b/large-language-models.ipynb
@@ -22,16 +22,30 @@
    ]
   },
   {
-   "cell_type": "markdown",
-   "metadata": {},
+   "cell_type": "code",
+   "execution_count": null,
+   "metadata": {
+    "vscode": {
+     "languageId": "plaintext"
+    }
+   },
+   "outputs": [],
    "source": [
+    "%%html\n",
     "<iframe width=\"560\" height=\"315\" src=\"https://www.youtube-nocookie.com/embed/lnA9DMvHtfI?si=QJRk0fEHZNbuKf8b\" title=\"YouTube video player\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen></iframe>"
    ]
   },
   {
-   "cell_type": "markdown",
-   "metadata": {},
+   "cell_type": "code",
+   "execution_count": null,
+   "metadata": {
+    "vscode": {
+     "languageId": "plaintext"
+    }
+   },
+   "outputs": [],
    "source": [
+    "%%html\n",
     "<iframe width=\"560\" height=\"315\" src=\"https://www.youtube-nocookie.com/embed/YDiSFS-yHwk?si=KY34lWBCaoIzNCEW\" title=\"YouTube video player\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen></iframe>"
    ]
   },