diff --git a/your-code/main.ipynb b/your-code/main.ipynb
index cdc1acb..61ec6f8 100644
--- a/your-code/main.ipynb
+++ b/your-code/main.ipynb
@@ -14,12 +14,14 @@
   },
   {
    "cell_type": "code",
-   "execution_count": null,
+   "execution_count": 1,
    "metadata": {},
    "outputs": [],
    "source": [
     "# import numpy and pandas\n",
-    "\n"
+    "\n",
+    "import pandas as pd # manipulate dataframes\n",
+    "import numpy as np # numerical python"
    ]
   },
   {
@@ -35,13 +37,14 @@
   },
   {
    "cell_type": "code",
-   "execution_count": null,
+   "execution_count": 3,
    "metadata": {},
    "outputs": [],
    "source": [
     "# Run this code:\n",
     "\n",
-    "pokemon = pd.read_csv('../pokemon.csv')"
+    "pokemon_df = pd.read_csv('../pokemon.csv')\n",
+    "pokemon = pokemon_df.copy()"
    ]
   },
   {
@@ -53,11 +56,155 @@
   },
   {
    "cell_type": "code",
-   "execution_count": null,
-   "metadata": {},
-   "outputs": [],
+   "execution_count": 5,
+   "metadata": {},
+   "outputs": [
+    {
+     "data": {
+      "text/html": [
+       "<div>\n",
+       "<style scoped>\n",
+       "    .dataframe tbody tr th:only-of-type {\n",
+       "        vertical-align: middle;\n",
+       "    }\n",
+       "\n",
+       "    .dataframe tbody tr th {\n",
+       "        vertical-align: top;\n",
+       "    }\n",
+       "\n",
+       "    .dataframe thead th {\n",
+       "        text-align: right;\n",
+       "    }\n",
+       "</style>\n",
+       "<table border=\"1\" class=\"dataframe\">\n",
+       "  <thead>\n",
+       "    <tr style=\"text-align: right;\">\n",
+       "      <th></th>\n",
+       "      <th>#</th>\n",
+       "      <th>Name</th>\n",
+       "      <th>Type 1</th>\n",
+       "      <th>Type 2</th>\n",
+       "      <th>Total</th>\n",
+       "      <th>HP</th>\n",
+       "      <th>Attack</th>\n",
+       "      <th>Defense</th>\n",
+       "      <th>Sp. Atk</th>\n",
+       "      <th>Sp. Def</th>\n",
+       "      <th>Speed</th>\n",
+       "      <th>Generation</th>\n",
+       "      <th>Legendary</th>\n",
+       "    </tr>\n",
+       "  </thead>\n",
+       "  <tbody>\n",
+       "    <tr>\n",
+       "      <th>0</th>\n",
+       "      <td>1</td>\n",
+       "      <td>Bulbasaur</td>\n",
+       "      <td>Grass</td>\n",
+       "      <td>Poison</td>\n",
+       "      <td>318</td>\n",
+       "      <td>45</td>\n",
+       "      <td>49</td>\n",
+       "      <td>49</td>\n",
+       "      <td>65</td>\n",
+       "      <td>65</td>\n",
+       "      <td>45</td>\n",
+       "      <td>1</td>\n",
+       "      <td>False</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>1</th>\n",
+       "      <td>2</td>\n",
+       "      <td>Ivysaur</td>\n",
+       "      <td>Grass</td>\n",
+       "      <td>Poison</td>\n",
+       "      <td>405</td>\n",
+       "      <td>60</td>\n",
+       "      <td>62</td>\n",
+       "      <td>63</td>\n",
+       "      <td>80</td>\n",
+       "      <td>80</td>\n",
+       "      <td>60</td>\n",
+       "      <td>1</td>\n",
+       "      <td>False</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>2</th>\n",
+       "      <td>3</td>\n",
+       "      <td>Venusaur</td>\n",
+       "      <td>Grass</td>\n",
+       "      <td>Poison</td>\n",
+       "      <td>525</td>\n",
+       "      <td>80</td>\n",
+       "      <td>82</td>\n",
+       "      <td>83</td>\n",
+       "      <td>100</td>\n",
+       "      <td>100</td>\n",
+       "      <td>80</td>\n",
+       "      <td>1</td>\n",
+       "      <td>False</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>3</th>\n",
+       "      <td>3</td>\n",
+       "      <td>VenusaurMega Venusaur</td>\n",
+       "      <td>Grass</td>\n",
+       "      <td>Poison</td>\n",
+       "      <td>625</td>\n",
+       "      <td>80</td>\n",
+       "      <td>100</td>\n",
+       "      <td>123</td>\n",
+       "      <td>122</td>\n",
+       "      <td>120</td>\n",
+       "      <td>80</td>\n",
+       "      <td>1</td>\n",
+       "      <td>False</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>4</th>\n",
+       "      <td>4</td>\n",
+       "      <td>Charmander</td>\n",
+       "      <td>Fire</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>309</td>\n",
+       "      <td>39</td>\n",
+       "      <td>52</td>\n",
+       "      <td>43</td>\n",
+       "      <td>60</td>\n",
+       "      <td>50</td>\n",
+       "      <td>65</td>\n",
+       "      <td>1</td>\n",
+       "      <td>False</td>\n",
+       "    </tr>\n",
+       "  </tbody>\n",
+       "</table>\n",
+       "</div>"
+      ],
+      "text/plain": [
+       "   #                   Name Type 1  Type 2  Total  HP  Attack  Defense  \\\n",
+       "0  1              Bulbasaur  Grass  Poison    318  45      49       49   \n",
+       "1  2                Ivysaur  Grass  Poison    405  60      62       63   \n",
+       "2  3               Venusaur  Grass  Poison    525  80      82       83   \n",
+       "3  3  VenusaurMega Venusaur  Grass  Poison    625  80     100      123   \n",
+       "4  4             Charmander   Fire     NaN    309  39      52       43   \n",
+       "\n",
+       "   Sp. Atk  Sp. Def  Speed  Generation  Legendary  \n",
+       "0       65       65     45           1      False  \n",
+       "1       80       80     60           1      False  \n",
+       "2      100      100     80           1      False  \n",
+       "3      122      120     80           1      False  \n",
+       "4       60       50     65           1      False  "
+      ]
+     },
+     "execution_count": 5,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
    "source": [
     "# Your code here:\n",
+    "pokemon.head(5)\n",
+    "\n",
     "\n"
    ]
   },
@@ -70,11 +217,27 @@
   },
   {
    "cell_type": "code",
-   "execution_count": null,
-   "metadata": {},
-   "outputs": [],
+   "execution_count": 15,
+   "metadata": {},
+   "outputs": [
+    {
+     "data": {
+      "text/plain": [
+       "Legendary\n",
+       "False    735\n",
+       "True      65\n",
+       "Name: count, dtype: int64"
+      ]
+     },
+     "execution_count": 15,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
    "source": [
     "# Your code here:\n",
+    "legendary_pokemon_counts = pokemon[\"Legendary\"].value_counts()\n",
+    "legendary_pokemon_counts\n",
     "\n"
    ]
   },
@@ -87,12 +250,70 @@
   },
   {
    "cell_type": "code",
-   "execution_count": null,
-   "metadata": {},
-   "outputs": [],
+   "execution_count": 17,
+   "metadata": {},
+   "outputs": [
+    {
+     "data": {
+      "text/html": [
+       "<div>\n",
+       "<style scoped>\n",
+       "    .dataframe tbody tr th:only-of-type {\n",
+       "        vertical-align: middle;\n",
+       "    }\n",
+       "\n",
+       "    .dataframe tbody tr th {\n",
+       "        vertical-align: top;\n",
+       "    }\n",
+       "\n",
+       "    .dataframe thead th {\n",
+       "        text-align: right;\n",
+       "    }\n",
+       "</style>\n",
+       "<table border=\"1\" class=\"dataframe\">\n",
+       "  <thead>\n",
+       "    <tr style=\"text-align: right;\">\n",
+       "      <th></th>\n",
+       "      <th>mean</th>\n",
+       "      <th>std</th>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>Legendary</th>\n",
+       "      <th></th>\n",
+       "      <th></th>\n",
+       "    </tr>\n",
+       "  </thead>\n",
+       "  <tbody>\n",
+       "    <tr>\n",
+       "      <th>False</th>\n",
+       "      <td>417.213605</td>\n",
+       "      <td>106.760417</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>True</th>\n",
+       "      <td>637.384615</td>\n",
+       "      <td>60.937389</td>\n",
+       "    </tr>\n",
+       "  </tbody>\n",
+       "</table>\n",
+       "</div>"
+      ],
+      "text/plain": [
+       "                 mean         std\n",
+       "Legendary                        \n",
+       "False      417.213605  106.760417\n",
+       "True       637.384615   60.937389"
+      ]
+     },
+     "execution_count": 17,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
    "source": [
     "# Your code here:\n",
-    "\n"
+    "grouped_stats = pokemon.groupby('Legendary')['Total'].agg(['mean', 'std'])\n",
+    "grouped_stats\n"
    ]
   },
   {
@@ -106,12 +327,28 @@
   },
   {
    "cell_type": "code",
-   "execution_count": null,
-   "metadata": {},
-   "outputs": [],
-   "source": [
-    "# Your code here:\n",
-    "\n"
+   "execution_count": 22,
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "T-statistic: 25.8335743895517\n",
+      "P-value: 9.357954335957446e-47\n"
+     ]
+    }
+   ],
+   "source": [
+    "from scipy.stats import ttest_ind\n",
+    "\n",
+    "legendary_points = pokemon[pokemon['Legendary'] == True]['Total'].dropna()\n",
+    "non_legendary_points = pokemon[pokemon['Legendary'] == False]['Total'].dropna()\n",
+    "\n",
+    "t_stat, p_value = ttest_ind(legendary_points, non_legendary_points, equal_var=False)\n",
+    "\n",
+    "print(\"T-statistic:\", t_stat)\n",
+    "print(\"P-value:\", p_value)"
    ]
   },
   {
@@ -128,7 +365,7 @@
    "outputs": [],
    "source": [
     "# Your conclusions here:\n",
-    "\n"
+    "# As the p value is way smaller that the aplha of 0.05 and the t is very high, we have enough evidence to say that there is a significant difference between these two groups.\n"
    ]
   },
   {
@@ -140,12 +377,43 @@
   },
   {
    "cell_type": "code",
-   "execution_count": null,
-   "metadata": {},
-   "outputs": [],
+   "execution_count": 24,
+   "metadata": {},
+   "outputs": [
+    {
+     "data": {
+      "text/plain": [
+       "Type 1\n",
+       "Water       112\n",
+       "Normal       98\n",
+       "Grass        70\n",
+       "Bug          69\n",
+       "Psychic      57\n",
+       "Fire         52\n",
+       "Electric     44\n",
+       "Rock         44\n",
+       "Dragon       32\n",
+       "Ground       32\n",
+       "Ghost        32\n",
+       "Dark         31\n",
+       "Poison       28\n",
+       "Steel        27\n",
+       "Fighting     27\n",
+       "Ice          24\n",
+       "Fairy        17\n",
+       "Flying        4\n",
+       "Name: count, dtype: int64"
+      ]
+     },
+     "execution_count": 24,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
    "source": [
     "# Your code here:\n",
-    "\n"
+    "pokemon_type1_counts = pokemon[\"Type 1\"].value_counts()\n",
+    "pokemon_type1_counts\n"
    ]
   },
   {
@@ -157,12 +425,32 @@
   },
   {
    "cell_type": "code",
-   "execution_count": null,
-   "metadata": {},
-   "outputs": [],
+   "execution_count": 27,
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "mean    430.455357\n",
+      "std     113.188266\n",
+      "Name: Total, dtype: float64\n",
+      "mean    435.859012\n",
+      "std     121.091682\n",
+      "Name: Total, dtype: float64\n"
+     ]
+    }
+   ],
    "source": [
     "# Your code here:\n",
-    "\n"
+    "water_pokemon = pokemon[pokemon['Type 1'] == 'Water']['Total']\n",
+    "non_water_pokemon = pokemon[pokemon['Type 1'] != 'Water']['Total']\n",
+    "\n",
+    "water_pokemon_stats = water_pokemon.agg(['mean', 'std'])\n",
+    "print(water_pokemon_stats)\n",
+    "\n",
+    "non_water_pokemon_stats = non_water_pokemon.agg(['mean', 'std'])\n",
+    "print(non_water_pokemon_stats)\n"
    ]
   },
   {
@@ -174,11 +462,27 @@
   },
   {
    "cell_type": "code",
-   "execution_count": null,
-   "metadata": {},
-   "outputs": [],
+   "execution_count": 33,
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "T-statistic: -0.4638681676327303\n",
+      "P-value: 0.6433915385821449\n"
+     ]
+    }
+   ],
    "source": [
     "# Your code here:\n",
+    "# H0 = No significant difference between water and non-water pokemon.\n",
+    "# H1 = Significant difference between water and non-water pokemon.\n",
+    "\n",
+    "t_stat, p_value = ttest_ind(water_pokemon, non_water_pokemon, equal_var=False)\n",
+    "print(\"T-statistic:\", t_stat)\n",
+    "print(\"P-value:\", p_value)\n",
+    "\n",
     "\n"
    ]
   },
@@ -191,11 +495,26 @@
   },
   {
    "cell_type": "code",
-   "execution_count": null,
-   "metadata": {},
-   "outputs": [],
+   "execution_count": 34,
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "Fail to Reject the Null Hypothesis: No significant difference between water and non-water pokemon.\n"
+     ]
+    }
+   ],
    "source": [
     "# Your conclusions here:\n",
+    "alpha = 0.05\n",
+    "\n",
+    "# decision making\n",
+    "if p_value > alpha:\n",
+    "    print(\"Fail to Reject the Null Hypothesis: No significant difference between water and non-water pokemon.\")\n",
+    "else:\n",
+    "    print(\"Reject the Null Hypothesis: There is a significant difference between water and non-water pokemon.\")\n",
     "\n"
    ]
   },
@@ -212,9 +531,26 @@
    "cell_type": "code",
    "execution_count": null,
    "metadata": {},
-   "outputs": [],
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "Paired T-statistic: 4.325566393330478\n",
+      "P-value: 1.7140303479358558e-05\n"
+     ]
+    }
+   ],
    "source": [
     "# Your code here:\n",
+    "from scipy.stats import ttest_rel\n",
+    "\n",
+    "t_stat, p_value = ttest_rel(pokemon['Attack'], pokemon['Defense'])\n",
+    "\n",
+    "print(\"Paired T-statistic:\", t_stat)\n",
+    "print(\"P-value:\", p_value)\n",
+    "\n",
+    "\n",
     "\n"
    ]
   },
@@ -227,12 +563,26 @@
   },
   {
    "cell_type": "code",
-   "execution_count": null,
-   "metadata": {},
-   "outputs": [],
+   "execution_count": 39,
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "Reject the Null Hypothesis: There is a significant difference between each pokemons defense and attack score..\n"
+     ]
+    }
+   ],
    "source": [
     "# Your conclusions here:\n",
-    "\n"
+    "alpha = 0.05\n",
+    "\n",
+    "# decision making\n",
+    "if p_value > alpha:\n",
+    "    print(\"Fail to Reject the Null Hypothesis: No significant difference between each pokemons defense and attack score.\")\n",
+    "else:\n",
+    "    print(\"Reject the Null Hypothesis: There is a significant difference between each pokemons defense and attack score..\")\n"
    ]
   },
   {
@@ -244,12 +594,24 @@
   },
   {
    "cell_type": "code",
-   "execution_count": null,
-   "metadata": {},
-   "outputs": [],
+   "execution_count": 40,
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "Paired T-statistic: 0.853986188453353\n",
+      "P-value: 0.3933685997548122\n"
+     ]
+    }
+   ],
    "source": [
     "# Your code here:\n",
-    "\n"
+    "t_stat, p_value = ttest_rel(pokemon['Sp. Atk'], pokemon['Sp. Def'])\n",
+    "\n",
+    "print(\"Paired T-statistic:\", t_stat)\n",
+    "print(\"P-value:\", p_value)\n"
    ]
   },
   {
@@ -261,11 +623,26 @@
   },
   {
    "cell_type": "code",
-   "execution_count": null,
-   "metadata": {},
-   "outputs": [],
+   "execution_count": 41,
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "Fail to Reject the Null Hypothesis: No significant difference between each pokemons special defense and special attack score.\n"
+     ]
+    }
+   ],
    "source": [
     "# Your conclusions here:\n",
+    "alpha = 0.05\n",
+    "\n",
+    "# decision making\n",
+    "if p_value > alpha:\n",
+    "    print(\"Fail to Reject the Null Hypothesis: No significant difference between each pokemons special defense and special attack score.\")\n",
+    "else:\n",
+    "    print(\"Reject the Null Hypothesis: There is a significant difference between each pokemons special defense and special attack score..\")\n",
     "\n"
    ]
   },
@@ -280,13 +657,37 @@
   },
   {
    "cell_type": "code",
-   "execution_count": null,
-   "metadata": {},
-   "outputs": [],
+   "execution_count": 45,
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "One-sample T-statistic: -4.325566393330478\n",
+      "P-value: 1.7140303479358558e-05\n",
+      "Reject the Null Hypothesis: There is a significant difference between each pokemons defense and attack score..\n"
+     ]
+    }
+   ],
    "source": [
     "# Your code here:\n",
-    "    \n",
-    "    "
+    "from scipy.stats import ttest_1samp\n",
+    "\n",
+    "differences = pokemon['Defense'] - pokemon['Attack']\n",
+    "\n",
+    "t_stat, p_value = ttest_1samp(differences, 0)\n",
+    "\n",
+    "print(\"One-sample T-statistic:\", t_stat)\n",
+    "print(\"P-value:\", p_value)\n",
+    "\n",
+    "alpha = 0.05\n",
+    "\n",
+    "# decision making\n",
+    "if p_value > alpha:\n",
+    "    print(\"Fail to Reject the Null Hypothesis: No significant difference between each pokemons defense and attack score.\")\n",
+    "else:\n",
+    "    print(\"Reject the Null Hypothesis: There is a significant difference between each pokemons defense and attack score..\")"
    ]
   },
   {
@@ -354,7 +755,7 @@
  ],
  "metadata": {
   "kernelspec": {
-   "display_name": "Python 3",
+   "display_name": "base",
    "language": "python",
    "name": "python3"
   },
@@ -368,7 +769,7 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.6.9"
+   "version": "3.12.7"
   }
  },
  "nbformat": 4,