diff --git a/02_activities/assignments/assignment_1.ipynb b/02_activities/assignments/assignment_1.ipynb
index bee48d5a0..41fc46e25 100644
--- a/02_activities/assignments/assignment_1.ipynb
+++ b/02_activities/assignments/assignment_1.ipynb
@@ -56,13 +56,38 @@
   },
   {
    "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": [
     "# For testing purposes, we will write our code in the function\n",
     "def anagram_checker(word_a, word_b):\n",
-    "  # Your code here\n",
+    "  '''anagram checker, both parameters should be words that you want to check in quotation marks'''\n",
+    "  # make sure the words are treated as strings\n",
+    "  str(word_a)\n",
+    "  str(word_b)\n",
+    "  \n",
+    "  #convert into lowercases\n",
+    "  word_a = word_a.lower()\n",
+    "  word_b = word_b.lower()\n",
+    "\n",
+    "  #make into sorted string\n",
+    "  sort_word_a = sorted(word_a)\n",
+    "  sort_word_b = sorted(word_b)\n",
+    "\n",
+    "  #make sure two strings are identical\n",
+    "  return sort_word_a == sort_word_b\n",
     "\n",
     "# Run your code to check using the words below:\n",
     "anagram_checker(\"Silent\", \"listen\")"
@@ -70,18 +95,40 @@
   },
   {
    "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(\"Silent\", \"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 +144,38 @@
   },
   {
    "cell_type": "code",
-   "execution_count": null,
+   "execution_count": 16,
    "metadata": {},
-   "outputs": [],
+   "outputs": [
+    {
+     "data": {
+      "text/plain": [
+       "True"
+      ]
+     },
+     "execution_count": 16,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
    "source": [
     "def anagram_checker(word_a, word_b, is_case_sensitive):\n",
-    "  # Modify your existing code here\n",
+    "  '''anagram checker, both parameters should be words that you want to check in quotation marks'''\n",
+    "  # make sure the words are treated as strings\n",
+    "  str(word_a)\n",
+    "  str(word_b)\n",
+    "  \n",
+    "  #convert into lowercase if is not case sensitive\n",
+    "  if not is_case_sensitive: \n",
+    "    word_a = word_a.lower()\n",
+    "    word_b = word_b.lower()\n",
+    "  \n",
+    "  #make into sorted string\n",
+    "  sort_word_a = sorted(word_a)\n",
+    "  sort_word_b = sorted(word_b)\n",
+    "\n",
+    "  #make sure two strings are identical\n",
+    "  return sort_word_a == sort_word_b\n",
     "\n",
     "# Run your code to check using the words below:\n",
     "anagram_checker(\"Silent\", \"listen\", False) # True"
@@ -110,9 +183,20 @@
   },
   {
    "cell_type": "code",
-   "execution_count": null,
+   "execution_count": 17,
    "metadata": {},
-   "outputs": [],
+   "outputs": [
+    {
+     "data": {
+      "text/plain": [
+       "False"
+      ]
+     },
+     "execution_count": 17,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
    "source": [
     "anagram_checker(\"Silent\", \"Listen\", True) # False"
    ]
@@ -130,7 +214,7 @@
  ],
  "metadata": {
   "kernelspec": {
-   "display_name": "new-learner",
+   "display_name": "python-env",
    "language": "python",
    "name": "python3"
   },
@@ -144,7 +228,7 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.11.8"
+   "version": "3.11.13"
   }
  },
  "nbformat": 4,