diff --git a/02_activities/assignments/assignment_1.ipynb b/02_activities/assignments/assignment_1.ipynb
index 625be024..7931e056 100644
--- a/02_activities/assignments/assignment_1.ipynb
+++ b/02_activities/assignments/assignment_1.ipynb
@@ -63,6 +63,14 @@
     "# For testing purposes, we will write our code in the function\n",
     "def anagram_checker(word_a, word_b):\n",
     "  # Your code here\n",
+    "  first_word = word_a.lower()\n",
+    "  second_word = word_b.lower()\n",
+    "  if sorted(first_word) == sorted(second_word):    # sorted() rearranges the letters of each word in alphabetical order. so here we can check after sorting it if both are equal to see if they are anagram\n",
+    "     print(\"this is anagram\")\n",
+    "     return True\n",
+    "  else:\n",
+    "    print(\"this is not anagram\")\n",
+    "    return False   \n",
     "\n",
     "# Run your code to check using the words below:\n",
     "anagram_checker(\"Silent\", \"listen\")"
@@ -101,9 +109,14 @@
    "metadata": {},
    "outputs": [],
    "source": [
-    "def anagram_checker(word_a, word_b, is_case_sensitive):\n",
+    "def anagram_checker(word_a, word_b, is_case_sensitive):   # is_case_sensitive parameter is used to control make sure there is no case difference when set to falwse snd there is case difference when set to true\n",
     "  # Modify your existing code here\n",
+    "  \n",
+    "  if not is_case_sensitive:\n",
+    "    word_a = word_a.lower()\n",
+    "    word_b = word_b.lower()\n",
     "\n",
+    "  return sorted(word_a) == sorted(word_b)\n",
     "# Run your code to check using the words below:\n",
     "anagram_checker(\"Silent\", \"listen\", False) # True"
    ]
@@ -126,6 +139,13 @@
     "|Code Execution|All code cells execute without errors.|Any code cell produces an error upon execution.|\n",
     "|Code Quality|Code is well-organized, concise, and includes necessary comments for clarity. E.g. Great use of variable names.|Code is unorganized, verbose, or lacks necessary comments. E.g. Single character variable names outside of loops.|"
    ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "metadata": {},
+   "outputs": [],
+   "source": []
   }
  ],
  "metadata": {