diff --git a/README.md b/README.md
index b0c84c4..ef5d9d6 100644
Binary files a/README.md and b/README.md differ
diff --git a/test.txt b/test.txt
new file mode 100644
index 0000000..ea2355e
Binary files /dev/null and b/test.txt differ
diff --git a/your-code/main.ipynb b/your-code/main.ipynb
index de27676..45f22f9 100644
--- a/your-code/main.ipynb
+++ b/your-code/main.ipynb
@@ -13,7 +13,7 @@
    "metadata": {},
    "outputs": [],
    "source": [
-    "words = ['play', 'filling', 'bar', 'theatre', 'easygoing', 'date', 'lead', 'that', 'story',  'island']"
+    "words = ['play', 'filling', 'bar', 'theatre', 'easygoing', 'date', 'lead', 'that', 'story',  'island', 'guitar', 'swing', 'broad', 'soup', 'singer', 'sugar', 'sail', 'shelf', 'sudden', 'cable', 'dare']"
    ]
   },
   {
@@ -29,7 +29,12 @@
    "metadata": {},
    "outputs": [],
    "source": [
-    "# your code here"
+    "words = ['play', 'filling', 'bar', 'theatre', 'easygoing', 'date', 'lead', 'that', \n",
+    "         'story', 'island', 'guitar', 'swing', 'broad', 'soup', 'singer', 'sugar', \n",
+    "         'sail', 'shelf', 'sudden', 'cable', 'dare']\n",
+    "\n",
+    "for word in words:\n",
+    "    print(word.upper())"
    ]
   },
   {
@@ -45,7 +50,13 @@
    "metadata": {},
    "outputs": [],
    "source": [
-    "# your code here"
+    "words = ['play', 'filling', 'bar', 'theatre', 'easygoing', 'date', 'lead', 'that', \n",
+    "         'story', 'island', 'guitar', 'swing', 'broad', 'soup', 'singer', 'sugar', \n",
+    "         'sail', 'shelf', 'sudden', 'cable', 'dare']\n",
+    "\n",
+    "long_words = [word for word in words if len(word) >= 5]\n",
+    "\n",
+    "print(long_words)"
    ]
   },
   {
@@ -61,7 +72,14 @@
    "metadata": {},
    "outputs": [],
    "source": [
-    "# your code here"
+    "words = ['play', 'filling', 'bar', 'theatre', 'easygoing', 'date', 'lead', 'that', \n",
+    "         'story', 'island', 'guitar', 'swing', 'broad', 'soup', 'singer', 'sugar', \n",
+    "         'sail', 'shelf', 'sudden', 'cable', 'dare']\n",
+    "\n",
+    "for word in words:\n",
+    "    if word.startswith(\"t\"):\n",
+    "        print(word)\n",
+    "        break\n"
    ]
   },
   {
@@ -84,7 +102,8 @@
    "metadata": {},
    "outputs": [],
    "source": [
-    "# your code here"
+    "squares = [n**2 for n in range(1, 11)]\n",
+    "print(squares)"
    ]
   },
   {
@@ -100,7 +119,8 @@
    "metadata": {},
    "outputs": [],
    "source": [
-    "# your code here"
+    "squares_of_multiples = [n**2 for n in range(8, 1000, 8)]\n",
+    "print(squares_of_multiples)"
    ]
   },
   {
@@ -116,7 +136,8 @@
    "metadata": {},
    "outputs": [],
    "source": [
-    "# your code here"
+    "squares_of_multiples = [n**2 for n in range(8, 1000, 8)]\n",
+    "print(squares_of_multiples)"
    ]
   },
   {
@@ -174,7 +195,16 @@
    "metadata": {},
    "outputs": [],
    "source": [
-    "# your code here"
+    "people = [\n",
+    "    {\"name\": \"Juan\", \"age\": 34, \"n_kids\": 2},\n",
+    "    {\"name\": \"Pepe\", \"age\": 27, \"n_kids\": 0},\n",
+    "    {\"name\": \"Sonia\", \"age\": 41, \"n_kids\": 1},\n",
+    "    {\"name\": \"Lucía\", \"age\": 22, \"n_kids\": 2},\n",
+    "    {\"name\": \"Leo\", \"age\": 55, \"n_kids\": 5}\n",
+    "]\n",
+    "\n",
+    "num_people = len(people)\n",
+    "print(num_people)"
    ]
   },
   {
@@ -190,7 +220,8 @@
    "metadata": {},
    "outputs": [],
    "source": [
-    "# your code here"
+    "people_with_kids = sum(1 for person in people if person[\"n_kids\"] > 0)\n",
+    "print(people_with_kids)"
    ]
   },
   {
@@ -206,7 +237,8 @@
    "metadata": {},
    "outputs": [],
    "source": [
-    "# your code here"
+    "total_kids = sum(person[\"n_kids\"] for person in people)\n",
+    "print(total_kids)"
    ]
   },
   {
@@ -222,7 +254,16 @@
    "metadata": {},
    "outputs": [],
    "source": [
-    "# your code here"
+    "people_next_year = []\n",
+    "\n",
+    "for person in people:\n",
+    "    updated_person = person.copy()  # Make a copy to avoid modifying original\n",
+    "    updated_person[\"age\"] += 1\n",
+    "    if person[\"name\"].endswith(\"a\"):\n",
+    "        updated_person[\"n_kids\"] += 1\n",
+    "    people_next_year.append(updated_person)\n",
+    "\n",
+    "print(people_next_year)"
    ]
   }
  ],