diff --git a/lab-python-data-structures.ipynb b/lab-python-data-structures.ipynb
index 8ba652c..8f55ee0 100644
--- a/lab-python-data-structures.ipynb
+++ b/lab-python-data-structures.ipynb
@@ -61,7 +61,22 @@
    "metadata": {},
    "outputs": [],
    "source": [
-    "# Your code here"
+    "grades = []\n",
+    "for i in range(5):\n",
+    "    grades.append(int(input(f\"Grade of student number {i}\")))\n",
+    "sum_grades = 0\n",
+    "print (grades)\n",
+    "for grade in grades:\n",
+    "    sum_grades+= grade\n",
+    "print(f\"The sum of the grades is: {sum_grades}\")\n",
+    "new_list = grades[0:5:2]\n",
+    "# for i in range(len(grades)):\n",
+    "#     if (i % 2 == 0):\n",
+    "#         new_list.append(grades[i])\n",
+    "new_list.sort()\n",
+    "print(f\"New list: {new_list}\")\n",
+    "print(f\"Length of the new list: {len(new_list)}\")\n",
+    "print(f\"5 appears {grades.count(5)} times\")"
    ]
   },
   {
@@ -95,11 +110,43 @@
   },
   {
    "cell_type": "code",
-   "execution_count": null,
+   "execution_count": 54,
    "metadata": {},
-   "outputs": [],
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "apple\n",
+      "grape\n",
+      "Updated fruits: ('apple', 'strawberry', 'cherry', 'orange', 'grape')\n",
+      "Added fruits: ('apple', 'strawberry', 'cherry', 'orange', 'grape', 'cherry', 'elderberry')\n",
+      "subtuple: ('grape', 'cherry', 'elderberry')\n",
+      "Last tuple: ('apple', 'strawberry', 'cherry', 'orange', 'grape', 'cherry', 'elderberry', 'apple', 'banana', 'cherry', 'orange', 'grape')\n",
+      "Length last tuple: 12\n"
+     ]
+    }
+   ],
    "source": [
-    "# Your code here"
+    "fruits = (\"apple\", \"banana\", \"cherry\", \"orange\", \"grape\")\n",
+    "print(fruits[0])\n",
+    "print(fruits[len(fruits) - 1])\n",
+    "\n",
+    "updatable_fruits = list((fruits))\n",
+    "updatable_fruits[1] = \"strawberry\"\n",
+    "new_fruits = tuple((updatable_fruits))\n",
+    "print(f\"Updated fruits: {new_fruits}\")\n",
+    "add_fruits = (\"cherry\", \"elderberry\")\n",
+    "added_fruits = new_fruits + add_fruits\n",
+    "print(f\"Added fruits: {added_fruits}\")\n",
+    "\n",
+    "sub_tuple1 = added_fruits[0:4]\n",
+    "sub_tuple2 = added_fruits[4:len(added_fruits)]\n",
+    "print(f\"subtuple: {sub_tuple2}\")\n",
+    "\n",
+    "last_tuple = sub_tuple1 + sub_tuple2 + fruits\n",
+    "print(f\"Last tuple: {last_tuple}\")\n",
+    "print(f\"Length last tuple: {len(last_tuple)}\")\n"
    ]
   },
   {
@@ -158,16 +205,23 @@
     "But if it had to end today,\n",
     "I think I know enough of love,\n",
     "To say that though it fades away,\n",
-    "It's still what we are made of.\"\"\""
-   ]
-  },
-  {
-   "cell_type": "code",
-   "execution_count": null,
-   "metadata": {},
-   "outputs": [],
-   "source": [
-    "# Your code here"
+    "It's still what we are made of.\"\"\"\n",
+    "\n",
+    "poem = poem.replace(\".\", \" \")\n",
+    "poem = poem.replace(\",\", \" \")\n",
+    "new_poem = new_poem.replace(\".\", \" \")\n",
+    "new_poem = new_poem.replace(\",\", \" \")\n",
+    "poem_set1 = set((poem.split()))\n",
+    "poem_set2 = set((new_poem.split()))\n",
+    "print(f\"Length of the first set: {len(poem_set1)}\")\n",
+    "print(f\"Length of the second set: {len(poem_set2)}\")\n",
+    "print(\"Unique in the first that are not in the second\")\n",
+    "print(poem_set1.difference(poem_set2))\n",
+    "print(\"Unique in the second that are not in the first\")\n",
+    "print(poem_set2.difference(poem_set1))\n",
+    "poem_set3 = poem_set1.union(poem_set2)\n",
+    "print(\"Ordered\")\n",
+    "print(sorted(poem_set3))"
    ]
   },
   {
@@ -191,22 +245,26 @@
     "*Recommended External Resources: [Python Dictionary Examples and Methods](https://www.w3schools.com/python/python_dictionaries.asp)*\n"
    ]
   },
-  {
-   "cell_type": "code",
-   "execution_count": 51,
-   "metadata": {},
-   "outputs": [],
-   "source": [
-    "grades = {'Alice': {'Physics': 75, 'Math': 85, 'Chemistry': 60, 'Philosophy': 90}, 'Bob': {'Physics': 75, 'Math': 85, 'Chemistry': 60, 'Philosophy': 90}}"
-   ]
-  },
   {
    "cell_type": "code",
    "execution_count": null,
    "metadata": {},
-   "outputs": [],
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "90\n",
+      "100\n"
+     ]
+    }
+   ],
    "source": [
-    "# Your code here"
+    "grades = {'Alice': {'Physics': 75, 'Math': 85, 'Chemistry': 60, 'Philosophy': 90}, 'Bob': {'Physics': 75, 'Math': 85, 'Chemistry': 60, 'Philosophy': 90}}\n",
+    "\n",
+    "print(grades['Bob']['Philosophy'])\n",
+    "grades['Bob']['Philosophy'] = 100\n",
+    "print(grades['Bob']['Philosophy'])"
    ]
   },
   {
@@ -246,7 +304,10 @@
     "keys = ['Physics', 'Math', 'Chemistry', 'Philosophy']\n",
     "values = [75, 85, 60,90]\n",
     "\n",
-    "# Your code here"
+    "result = zip(keys, values)\n",
+    "result = dict((result))\n",
+    "\n",
+    "print(result)\n"
    ]
   },
   {
@@ -275,17 +336,28 @@
   },
   {
    "cell_type": "code",
-   "execution_count": null,
+   "execution_count": 59,
    "metadata": {},
-   "outputs": [],
+   "outputs": [
+    {
+     "data": {
+      "text/plain": [
+       "'Chemistry'"
+      ]
+     },
+     "execution_count": 59,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
    "source": [
-    "# Your code here"
+    "min(result)"
    ]
   }
  ],
  "metadata": {
   "kernelspec": {
-   "display_name": "Python 3 (ipykernel)",
+   "display_name": "base",
    "language": "python",
    "name": "python3"
   },
@@ -299,7 +371,7 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.9.13"
+   "version": "3.12.7"
   }
  },
  "nbformat": 4,