diff --git a/02_activities/assignments/assignment_1.ipynb b/02_activities/assignments/assignment_1.ipynb
index 625be024..a3917313 100644
--- a/02_activities/assignments/assignment_1.ipynb
+++ b/02_activities/assignments/assignment_1.ipynb
@@ -44,7 +44,7 @@
     "\n",
     "Examples of anagrams:\n",
     "* Silent and Listen\n",
-    "* Night and Think\n",
+    "* Night and Thing\n",
     "\n",
     "Example outputs:\n",
     "```python\n",
@@ -56,32 +56,80 @@
   },
   {
    "cell_type": "code",
-   "execution_count": null,
+   "execution_count": 6,
    "metadata": {},
-   "outputs": [],
+   "outputs": [
+    {
+     "data": {
+      "text/plain": [
+       "True"
+      ]
+     },
+     "execution_count": 6,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
    "source": [
-    "# For testing purposes, we will write our code in the function\n",
-    "def anagram_checker(word_a, word_b):\n",
-    "  # Your code here\n",
+    "def anagram_checker(str1, str2):\n",
+    "    str1 = str1.lower()\n",
+    "    str2 = str2.lower()\n",
+    "\n",
+    "    if len(str1) != len(str2):\n",
+    "        return False\n",
+    "\n",
+    "    char_count = {}\n",
+    "    for char in str1:\n",
+    "        char_count[char] = char_count.get(char, 0) + 1\n",
+    "\n",
+    "    for char in str2:\n",
+    "        if char not in char_count:\n",
+    "            return False\n",
+    "        char_count[char] -= 1\n",
+    "        if char_count[char] < 0:\n",
+    "            return False\n",
+    "\n",
+    "    return True\n",
     "\n",
-    "# Run your code to check using the words below:\n",
     "anagram_checker(\"Silent\", \"listen\")"
    ]
   },
   {
    "cell_type": "code",
-   "execution_count": null,
+   "execution_count": 2,
    "metadata": {},
-   "outputs": [],
+   "outputs": [
+    {
+     "data": {
+      "text/plain": [
+       "False"
+      ]
+     },
+     "execution_count": 2,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
    "source": [
     "anagram_checker(\"Silent\", \"Night\")"
    ]
   },
   {
    "cell_type": "code",
-   "execution_count": null,
+   "execution_count": 3,
    "metadata": {},
-   "outputs": [],
+   "outputs": [
+    {
+     "data": {
+      "text/plain": [
+       "True"
+      ]
+     },
+     "execution_count": 3,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
    "source": [
     "anagram_checker(\"night\", \"Thing\")"
    ]
@@ -97,12 +145,27 @@
   },
   {
    "cell_type": "code",
-   "execution_count": null,
+   "execution_count": 7,
    "metadata": {},
-   "outputs": [],
+   "outputs": [
+    {
+     "data": {
+      "text/plain": [
+       "True"
+      ]
+     },
+     "execution_count": 7,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
    "source": [
-    "def anagram_checker(word_a, word_b, is_case_sensitive):\n",
-    "  # Modify your existing code here\n",
+    "def anagram_checker(str1, str2, is_case_sensitive=False):\n",
+    "    if not is_case_sensitive:\n",
+    "        str1 = str1.lower()\n",
+    "        str2 = str2.lower()\n",
+    "\n",
+    "    return sorted(str1) == sorted(str2)\n",
     "\n",
     "# Run your code to check using the words below:\n",
     "anagram_checker(\"Silent\", \"listen\", False) # True"
@@ -110,9 +173,20 @@
   },
   {
    "cell_type": "code",
-   "execution_count": null,
+   "execution_count": 5,
    "metadata": {},
-   "outputs": [],
+   "outputs": [
+    {
+     "data": {
+      "text/plain": [
+       "False"
+      ]
+     },
+     "execution_count": 5,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
    "source": [
     "anagram_checker(\"Silent\", \"Listen\", True) # False"
    ]
@@ -130,7 +204,7 @@
  ],
  "metadata": {
   "kernelspec": {
-   "display_name": "new-learner",
+   "display_name": "python-env",
    "language": "python",
    "name": "python3"
   },
@@ -144,7 +218,7 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.11.8"
+   "version": "3.11.14"
   }
  },
  "nbformat": 4,