diff --git a/02_assignments/assignment_1.ipynb b/02_assignments/assignment_1.ipynb
index 94688931..1145dc1e 100644
--- a/02_assignments/assignment_1.ipynb
+++ b/02_assignments/assignment_1.ipynb
@@ -26,10 +26,10 @@
     "    * Open a private window in your browser. Copy and paste the link to your pull request into the address bar. Make sure you can see your pull request properly. This helps the technical facilitator and learning support staff review your submission easily.\n",
     "\n",
     "Checklist:\n",
-    "- [ ] Created a branch with the correct naming convention.\n",
-    "- [ ] Ensured that the repository is public.\n",
-    "- [ ] Reviewed the PR description guidelines and adhered to them.\n",
-    "- [ ] Verify that the link is accessible in a private browser window.\n",
+    "- [X] Created a branch with the correct naming convention.\n",
+    "- [X] Ensured that the repository is public.\n",
+    "- [X] Reviewed the PR description guidelines and adhered to them.\n",
+    "- [X] Verify that the link is accessible in a private browser window.\n",
     "\n",
     "If you encounter any difficulties or have questions, please don't hesitate to reach out to our team via our Slack at `#cohort-3-help`. Our Technical Facilitators and Learning Support staff are here to help you navigate any challenges."
    ]
@@ -56,13 +56,27 @@
   },
   {
    "cell_type": "code",
-   "execution_count": null,
+   "execution_count": 12,
    "metadata": {},
-   "outputs": [],
+   "outputs": [
+    {
+     "data": {
+      "text/plain": [
+       "True"
+      ]
+     },
+     "execution_count": 12,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
    "source": [
     "# This is a function, which we will learn more about next week. For testing purposes, we will write our code in the function\n",
     "def anagram_checker(word_a, word_b):\n",
     "  # Your code here\n",
+    "  # use .lower() method to lowercase all characters and sort them so anagrams would become identical strings\n",
+    "  # if modified strings are equal, they're anagram, so return true, if not return false\n",
+    "  return sorted(word_a.lower()) == sorted(word_b.lower())\n",
     "\n",
     "# Run your code to check using the words below:\n",
     "anagram_checker(\"Slient\", \"listen\")"
@@ -70,18 +84,40 @@
   },
   {
    "cell_type": "code",
-   "execution_count": null,
+   "execution_count": 13,
    "metadata": {},
-   "outputs": [],
+   "outputs": [
+    {
+     "data": {
+      "text/plain": [
+       "False"
+      ]
+     },
+     "execution_count": 13,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
    "source": [
     "anagram_checker(\"Slient\", \"Night\")"
    ]
   },
   {
    "cell_type": "code",
-   "execution_count": null,
+   "execution_count": 14,
    "metadata": {},
-   "outputs": [],
+   "outputs": [
+    {
+     "data": {
+      "text/plain": [
+       "True"
+      ]
+     },
+     "execution_count": 14,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
    "source": [
     "anagram_checker(\"night\", \"Thing\")"
    ]
@@ -97,12 +133,29 @@
   },
   {
    "cell_type": "code",
-   "execution_count": null,
+   "execution_count": 15,
    "metadata": {},
-   "outputs": [],
+   "outputs": [
+    {
+     "data": {
+      "text/plain": [
+       "True"
+      ]
+     },
+     "execution_count": 15,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
    "source": [
     "def anagram_checker(word_a, word_b, is_case_sensitive):\n",
     "  # Modify your existing code here\n",
+    "  if is_case_sensitive:\n",
+    "    # if it is case sensitive, we don't modify the string to lower or upper case we just sort and compare\n",
+    "    return sorted(word_a) == sorted(word_b)\n",
+    "  else:\n",
+    "    # if it is not case sensitive, it is same as before\n",
+    "    return sorted(word_a.lower()) == sorted(word_b.lower())\n",
     "\n",
     "# Run your code to check using the words below:\n",
     "anagram_checker(\"Slient\", \"listen\", False) # True"
@@ -110,9 +163,20 @@
   },
   {
    "cell_type": "code",
-   "execution_count": null,
+   "execution_count": 16,
    "metadata": {},
-   "outputs": [],
+   "outputs": [
+    {
+     "data": {
+      "text/plain": [
+       "False"
+      ]
+     },
+     "execution_count": 16,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
    "source": [
     "anagram_checker(\"Slient\", \"Listen\", True) # False"
    ]
@@ -144,7 +208,7 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.11.8"
+   "version": "3.9.18"
   }
  },
  "nbformat": 4,