diff --git a/02_activities/assignments/assignment_1.ipynb b/02_activities/assignments/assignment_1.ipynb
index 156d0408e..292fd6992 100644
--- a/02_activities/assignments/assignment_1.ipynb
+++ b/02_activities/assignments/assignment_1.ipynb
@@ -56,13 +56,32 @@
   },
   {
    "cell_type": "code",
-   "execution_count": null,
+   "execution_count": 1,
    "metadata": {},
-   "outputs": [],
+   "outputs": [
+    {
+     "data": {
+      "text/plain": [
+       "True"
+      ]
+     },
+     "execution_count": 1,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
    "source": [
     "# For testing purposes, we will write our code in the function\n",
+    "  # first you need to normalice the values (all the characters in each word could be loweers)\n",
+    "  # Second you need to delete the spacies, just in case the anagram has more than 1 word, in this case I replaced the space ' ' with '' an empty value.\n",
+    "  # third after normalize the characters and delete the spaces you can sorted the characters in alphabetic order\n",
+    "  # Finaly you compare the result. \n",
+    "\n",
     "def anagram_checker(word_a, word_b):\n",
-    "  # Your code here\n",
+    "  word_a_list = sorted (word_a.lower().replace(' ', '')) \n",
+    "  word_b_list = sorted (word_b.lower().replace(' ', '')) \n",
+    "  return word_a_list == word_b_list\n",
+    "\n",
     "\n",
     "# Run your code to check using the words below:\n",
     "anagram_checker(\"Silent\", \"listen\")"
@@ -70,18 +89,40 @@
   },
   {
    "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\")"
    ]
@@ -97,24 +138,54 @@
   },
   {
    "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": [
-    "def anagram_checker(word_a, word_b, is_case_sensitive):\n",
-    "  # Modify your existing code here\n",
-    "\n",
+    "def anagram_checker_sensitive (word_a, word_b, is_case_sensitive):\n",
+    "  # first define if not is_case_sensitive: normalized characters and compare the words without spaces and in lowers.\n",
+    "  if not is_case_sensitive:\n",
+    "    word_a_list = sorted (word_a.lower().replace(' ', ''))\n",
+    "    word_b_list = sorted (word_b.lower().replace(' ', ''))\n",
+    "    return word_a_list == word_b_list\n",
+    "    \n",
+    "  #second: define if is_case_sensitive, not normalized the characters, remove the spaces and sorted to compare the list between the two words.\n",
+    "  elif is_case_sensitive:\n",
+    "    return sorted (word_a.replace(' ', ''))== sorted(word_b.replace(' ', ''))\n",
+    "  \n",
     "# Run your code to check using the words below:\n",
-    "anagram_checker(\"Silent\", \"listen\", False) # True"
+    "anagram_checker_sensitive (\"Silent\", \"listen\", False) # True"
    ]
   },
   {
    "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"
+    "anagram_checker_sensitive (\"Silent\", \"Listen\", True) # False"
    ]
   },
   {
@@ -130,7 +201,7 @@
  ],
  "metadata": {
   "kernelspec": {
-   "display_name": "new-learner",
+   "display_name": "dsi_participant",
    "language": "python",
    "name": "python3"
   },
@@ -144,7 +215,7 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.11.8"
+   "version": "3.9.18"
   }
  },
  "nbformat": 4,