diff --git a/lab-python-data-structures.ipynb b/lab-python-data-structures.ipynb
index 8ba652c..363c154 100644
--- a/lab-python-data-structures.ipynb
+++ b/lab-python-data-structures.ipynb
@@ -57,11 +57,50 @@
   },
   {
    "cell_type": "code",
-   "execution_count": null,
+   "execution_count": 11,
    "metadata": {},
-   "outputs": [],
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "Sum of grades: 16\n",
+      "Sliced and sorted grades: [2, 5, 5]\n",
+      "Number of grades entered: 5\n",
+      "Number of times grade 5 appears: 2\n"
+     ]
+    }
+   ],
    "source": [
-    "# Your code here"
+    "# Your code here\n",
+    "def in_grades (student_count):\n",
+    "    grades = []\n",
+    "    for i in range(student_count):\n",
+    "        while True:\n",
+    "            try:\n",
+    "                grade = int(input(f\"Enter grade for student {i + 1}: \"))\n",
+    "                if grade < 0 or grade > 100:\n",
+    "                    print(\"Grade must be between 0 and 100.\")\n",
+    "                else:\n",
+    "                    break \n",
+    "            except ValueError:\n",
+    "                print(\"Please enter a valid integer.\")\n",
+    "        grades.append(grade)\n",
+    "    return grades\n",
+    "\n",
+    "def display(grades):\n",
+    "    sum_grades = sum(grades)\n",
+    "    print(f\"Sum of grades: {sum_grades}\")\n",
+    "    sliced_grades = sorted(grades[0:len(grades):2])\n",
+    "    print(f\"Sliced and sorted grades: {sliced_grades}\")\n",
+    "    print(f\"Number of grades entered: {len(grades)}\")\n",
+    "    count5 = grades.count(5)\n",
+    "    print(f\"Number of times grade 5 appears: {count5}\")\n",
+    "    \n",
+    "\n",
+    "\n",
+    "grades = in_grades(5)\n",
+    "display(grades)\n"
    ]
   },
   {
@@ -95,11 +134,45 @@
   },
   {
    "cell_type": "code",
-   "execution_count": null,
+   "execution_count": 22,
    "metadata": {},
-   "outputs": [],
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "First and last fruit: apple, melon\n",
+      "Updated fruit types: ('apple', 'kiwi', 'cherry', 'strawberry', 'melon')\n",
+      "All fruits: ('apple', 'kiwi', 'cherry', 'strawberry', 'melon', 'orange', 'grape')\n",
+      "Fruits part 1: ('apple', 'kiwi', 'cherry')\n",
+      "Fruits part 2: ('grape', 'orange', 'melon')\n",
+      "Final inventory: ('apple', 'banana', 'cherry', 'strawberry', 'melon', 'kiwi', 'orange', 'grape')\n",
+      "Total number of fruits in final inventory: 8\n"
+     ]
+    }
+   ],
    "source": [
-    "# Your code here"
+    "# Your code here\n",
+    "fruit_types = (\"apple\", \"banana\", \"cherry\", \"strawberry\", \"melon\")\n",
+    "print(f\"First and last fruit: {fruit_types[0]}, {fruit_types[-1]}\")\n",
+    "#tupples are immutable! so I'll create a second tupple updated\n",
+    "updated_fruit_types = (fruit_types[0], \"kiwi\", fruit_types[2], fruit_types[3], fruit_types[4])\n",
+    "print(f\"Updated fruit types: {updated_fruit_types}\")\n",
+    "new_fruits = (\"orange\", \"grape\")\n",
+    "all_fruits = updated_fruit_types + new_fruits\n",
+    "print(f\"All fruits: {all_fruits}\")\n",
+    "fruits_part1 = all_fruits[0:3]\n",
+    "fruits_part2 = all_fruits[-1:-4:-1]\n",
+    "print(f\"Fruits part 1: {fruits_part1}\")\n",
+    "print(f\"Fruits part 2: {fruits_part2}\")\n",
+    "final_inventory = ()\n",
+    "list_tuples = [fruit_types, updated_fruit_types, new_fruits, fruits_part1, fruits_part2]\n",
+    "for t in list_tuples:\n",
+    "    for fruit in t:\n",
+    "        if fruit not in final_inventory:\n",
+    "            final_inventory += (fruit,)\n",
+    "print(f\"Final inventory: {final_inventory}\")\n",
+    "print(f\"Total number of fruits in final inventory: {len(final_inventory)}\")\n"
    ]
   },
   {
@@ -136,13 +209,13 @@
   },
   {
    "cell_type": "code",
-   "execution_count": null,
+   "execution_count": 5,
    "metadata": {},
    "outputs": [],
    "source": [
     "poem = \"\"\"Some say the world will end in fire,\n",
     "Some say in ice.\n",
-    "From what I’ve tasted of desire\n",
+    "From what I've tasted of desire\n",
     "I hold with those who favor fire.\n",
     "But if it had to perish twice,\n",
     "I think I know enough of hate\n",
@@ -163,11 +236,62 @@
   },
   {
    "cell_type": "code",
-   "execution_count": null,
+   "execution_count": 8,
    "metadata": {},
-   "outputs": [],
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "poem 1 has 41 unique words as follows:\n",
+      "{'enough', 'ice', 'who', 'end', 'but', 'suffice', 'perish', 'for', 'some', 'say', 'had', 'great', 'world', 'and', 'i', 'it', 'desire', 'if', 'hold', 'fire', 'what', 'think', 'know', 'twice', 'is', 'would', 'destruction', 'those', 'the', 'in', \"i've\", 'to', 'from', 'hate', 'with', 'tasted', 'that', 'also', 'of', 'will', 'favor'}\n",
+      "poem 2 has 42 unique words as follows:\n",
+      "{'enough', 'but', 'who', 'end', 'quest', 'though', 'we', 'side', 'fades', 'love', 'some', 'deem', 'say', 'and', 'had', 'i', 'today', 'seen', 'dream', 'made', 'it', 'a', 'if', 'what', 'think', 'is', 'know', 'as', 'see', 'still', 'away', 'those', \"it's\", \"i've\", 'to', 'from', 'with', 'that', 'are', 'test', 'life', 'of'}\n",
+      "Words in poem 1 but not in poem 2: ['ice', 'suffice', 'perish', 'for', 'great', 'world', 'desire', 'hold', 'fire', 'twice', 'would', 'destruction', 'the', 'in', 'hate', 'tasted', 'also', 'will', 'favor']\n",
+      "Words in poem 2 but not in poem 1: ['quest', 'though', 'we', 'side', 'fades', 'love', 'deem', 'today', 'seen', 'dream', 'made', 'a', 'as', 'see', 'still', 'away', \"it's\", 'are', 'test', 'life']\n",
+      "Words in both poems: ['and', 'but', 'end', 'enough', 'from', 'had', 'i', \"i've\", 'if', 'is', 'it', 'know', 'of', 'say', 'some', 'that', 'think', 'those', 'to', 'what', 'who', 'with']\n"
+     ]
+    }
+   ],
    "source": [
-    "# Your code here"
+    "# Your code here\n",
+    "\n",
+    "\n",
+    "\n",
+    "poem1 = poem.replace(\",\", \"\").replace(\".\", \"\").lower().split()\n",
+    "new_poem2 = new_poem.replace(\",\", \"\").replace(\".\", \"\").lower().split()\n",
+    "\n",
+    "set_poem1 = set(poem1)\n",
+    "set_poem2 = set(new_poem2)\n",
+    "\n",
+    "\n",
+    "print(\"poem 1 has\", len(set_poem1), \"unique words as follows:\")\n",
+    "print(set_poem1)\n",
+    "\n",
+    "print(\"poem 2 has\", len(set_poem2), \"unique words as follows:\")\n",
+    "print(set_poem2)\n",
+    "\n",
+    "in_1_not_in_2 = []\n",
+    "\n",
+    "for word in set_poem1:\n",
+    "    if word not in set_poem2:\n",
+    "        in_1_not_in_2.append(word)\n",
+    "\n",
+    "print(f\"Words in poem 1 but not in poem 2: {in_1_not_in_2}\")\n",
+    "in_2_not_in_1 = []\n",
+    "\n",
+    "for word in set_poem2: \n",
+    "    if word not in set_poem1:\n",
+    "        in_2_not_in_1.append(word)\n",
+    "\n",
+    "print(f\"Words in poem 2 but not in poem 1: {in_2_not_in_1}\")\n",
+    "in_both =[]\n",
+    "\n",
+    "for word in set_poem1: \n",
+    "    if word in set_poem2:\n",
+    "        in_both.append(word)\n",
+    "\n",
+    "print(f\"Words in both poems: {sorted(in_both)}\")\n"
    ]
   },
   {
@@ -193,7 +317,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 51,
+   "execution_count": 5,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -202,11 +326,21 @@
   },
   {
    "cell_type": "code",
-   "execution_count": null,
+   "execution_count": 7,
    "metadata": {},
-   "outputs": [],
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "{'Alice': {'Physics': 75, 'Math': 85, 'Chemistry': 60, 'Philosophy': 90}, 'Bob': {'Physics': 75, 'Math': 85, 'Chemistry': 60, 'Philosophy': 100}}\n"
+     ]
+    }
+   ],
    "source": [
-    "# Your code here"
+    "# Your code here\n",
+    "grades[\"Bob\"][\"Philosophy\"] = 100\n",
+    "print(grades)"
    ]
   },
   {
@@ -239,14 +373,24 @@
   },
   {
    "cell_type": "code",
-   "execution_count": null,
+   "execution_count": 2,
    "metadata": {},
-   "outputs": [],
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "{'Physics': 75, 'Math': 85, 'Chemistry': 60, 'Philosophy': 90}\n"
+     ]
+    }
+   ],
    "source": [
+    "# Your code here\n",
     "keys = ['Physics', 'Math', 'Chemistry', 'Philosophy']\n",
     "values = [75, 85, 60,90]\n",
     "\n",
-    "# Your code here"
+    "zip_dict = dict(zip(keys, values))\n",
+    "print(zip_dict)"
    ]
   },
   {
@@ -256,6 +400,23 @@
     "2. Get the subject with the minimum score from the previous dictionary."
    ]
   },
+  {
+   "cell_type": "code",
+   "execution_count": 3,
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "Chemistry\n"
+     ]
+    }
+   ],
+   "source": [
+    "print(min(zip_dict, key=zip_dict.get))\n"
+   ]
+  },
   {
    "cell_type": "markdown",
    "metadata": {},
@@ -285,7 +446,7 @@
  ],
  "metadata": {
   "kernelspec": {
-   "display_name": "Python 3 (ipykernel)",
+   "display_name": "base",
    "language": "python",
    "name": "python3"
   },
@@ -299,7 +460,7 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.9.13"
+   "version": "3.13.9"
   }
  },
  "nbformat": 4,