diff --git a/experiments/experiments.ipynb b/experiments/experiments.ipynb
deleted file mode 100644
index 66d706e..0000000
--- a/experiments/experiments.ipynb
+++ /dev/null
@@ -1,376 +0,0 @@
-{
- "cells": [
-  {
-   "cell_type": "markdown",
-   "metadata": {},
-   "source": [
-    "## Source code experiment"
-   ]
-  },
-  {
-   "cell_type": "code",
-   "execution_count": 1,
-   "metadata": {},
-   "outputs": [],
-   "source": [
-    "import warnings\n",
-    "warnings.filterwarnings('ignore')"
-   ]
-  },
-  {
-   "cell_type": "code",
-   "execution_count": 2,
-   "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>Animals</th>\n",
-       "      <th>Type</th>\n",
-       "    </tr>\n",
-       "  </thead>\n",
-       "  <tbody>\n",
-       "    <tr>\n",
-       "      <th>0</th>\n",
-       "      <td>Tiger</td>\n",
-       "      <td>Wild</td>\n",
-       "    </tr>\n",
-       "    <tr>\n",
-       "      <th>1</th>\n",
-       "      <td>Lion</td>\n",
-       "      <td>Wild</td>\n",
-       "    </tr>\n",
-       "    <tr>\n",
-       "      <th>2</th>\n",
-       "      <td>Cow</td>\n",
-       "      <td>Domestic</td>\n",
-       "    </tr>\n",
-       "    <tr>\n",
-       "      <th>3</th>\n",
-       "      <td>Dog</td>\n",
-       "      <td>Domestic</td>\n",
-       "    </tr>\n",
-       "  </tbody>\n",
-       "</table>\n",
-       "</div>"
-      ],
-      "text/plain": [
-       "  Animals      Type\n",
-       "0   Tiger      Wild\n",
-       "1    Lion      Wild\n",
-       "2     Cow  Domestic\n",
-       "3     Dog  Domestic"
-      ]
-     },
-     "execution_count": 2,
-     "metadata": {},
-     "output_type": "execute_result"
-    }
-   ],
-   "source": [
-    "# csv file testing:\n",
-    "import pandas as pd\n",
-    "from pathlib import Path\n",
-    "def load_csv(filepath:str, delimiter:str):\n",
-    "    filepath = Path(filepath)\n",
-    "    return pd.read_csv(filepath, delimiter=delimiter)\n",
-    "\n",
-    "df1 = load_csv('sample.csv', ',')\n",
-    "df1"
-   ]
-  },
-  {
-   "cell_type": "code",
-   "execution_count": 3,
-   "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>Animals</th>\n",
-       "      <th>Type</th>\n",
-       "    </tr>\n",
-       "  </thead>\n",
-       "  <tbody>\n",
-       "    <tr>\n",
-       "      <th>0</th>\n",
-       "      <td>Tiger</td>\n",
-       "      <td>Wild</td>\n",
-       "    </tr>\n",
-       "    <tr>\n",
-       "      <th>1</th>\n",
-       "      <td>Lion</td>\n",
-       "      <td>Wild</td>\n",
-       "    </tr>\n",
-       "    <tr>\n",
-       "      <th>2</th>\n",
-       "      <td>Cow</td>\n",
-       "      <td>Domestic</td>\n",
-       "    </tr>\n",
-       "    <tr>\n",
-       "      <th>3</th>\n",
-       "      <td>Dog</td>\n",
-       "      <td>Domestic</td>\n",
-       "    </tr>\n",
-       "  </tbody>\n",
-       "</table>\n",
-       "</div>"
-      ],
-      "text/plain": [
-       "  Animals      Type\n",
-       "0   Tiger      Wild\n",
-       "1    Lion      Wild\n",
-       "2     Cow  Domestic\n",
-       "3     Dog  Domestic"
-      ]
-     },
-     "execution_count": 3,
-     "metadata": {},
-     "output_type": "execute_result"
-    }
-   ],
-   "source": [
-    "# excel sheet testing:\n",
-    "import pandas as pd\n",
-    "from pathlib import Path\n",
-    "def load_excelsheet(filepath:str, sheet_name:str):\n",
-    "    filepath = Path(filepath)\n",
-    "    return pd.read_excel(filepath, sheet_name=sheet_name)\n",
-    "\n",
-    "df2 = load_excelsheet('sample.xlsx', 'sample_sheet')\n",
-    "df2"
-   ]
-  },
-  {
-   "cell_type": "code",
-   "execution_count": 4,
-   "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>Animals</th>\n",
-       "      <th>Type</th>\n",
-       "    </tr>\n",
-       "  </thead>\n",
-       "  <tbody>\n",
-       "    <tr>\n",
-       "      <th>0</th>\n",
-       "      <td>Tiger</td>\n",
-       "      <td>Wild</td>\n",
-       "    </tr>\n",
-       "    <tr>\n",
-       "      <th>1</th>\n",
-       "      <td>Lion</td>\n",
-       "      <td>Wild</td>\n",
-       "    </tr>\n",
-       "    <tr>\n",
-       "      <th>2</th>\n",
-       "      <td>Cow</td>\n",
-       "      <td>Domestic</td>\n",
-       "    </tr>\n",
-       "    <tr>\n",
-       "      <th>3</th>\n",
-       "      <td>Dog</td>\n",
-       "      <td>Domestic</td>\n",
-       "    </tr>\n",
-       "  </tbody>\n",
-       "</table>\n",
-       "</div>"
-      ],
-      "text/plain": [
-       "  Animals      Type\n",
-       "0   Tiger      Wild\n",
-       "1    Lion      Wild\n",
-       "2     Cow  Domestic\n",
-       "3     Dog  Domestic"
-      ]
-     },
-     "execution_count": 4,
-     "metadata": {},
-     "output_type": "execute_result"
-    }
-   ],
-   "source": [
-    "# google sheet testing:\n",
-    "import pandas as pd\n",
-    "def load_gsheet(gsheet_id:str, sheet_name:str):\n",
-    "    base_url = 'https://docs.google.com/spreadsheets/d'\n",
-    "    sheet_csv = 'gviz/tq?tqx=out:csv&sheet='\n",
-    "    url = f'{base_url}/{gsheet_id}/{sheet_csv}{sheet_name}'\n",
-    "    return pd.read_csv(url)\n",
-    "\n",
-    "df3 = load_gsheet('17r9f4BL7sjmdLBnt92OdQP3CHK5bdT3hozg6DUJXGqU', 'sample_sheet')\n",
-    "df3"
-   ]
-  },
-  {
-   "cell_type": "code",
-   "execution_count": 6,
-   "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>Animals</th>\n",
-       "      <th>Type</th>\n",
-       "    </tr>\n",
-       "  </thead>\n",
-       "  <tbody>\n",
-       "    <tr>\n",
-       "      <th>0</th>\n",
-       "      <td>Tiger</td>\n",
-       "      <td>Wild</td>\n",
-       "    </tr>\n",
-       "    <tr>\n",
-       "      <th>1</th>\n",
-       "      <td>Lion</td>\n",
-       "      <td>Wild</td>\n",
-       "    </tr>\n",
-       "    <tr>\n",
-       "      <th>2</th>\n",
-       "      <td>Cow</td>\n",
-       "      <td>Domestic</td>\n",
-       "    </tr>\n",
-       "    <tr>\n",
-       "      <th>3</th>\n",
-       "      <td>Dog</td>\n",
-       "      <td>Domestic</td>\n",
-       "    </tr>\n",
-       "  </tbody>\n",
-       "</table>\n",
-       "</div>"
-      ],
-      "text/plain": [
-       "  Animals      Type\n",
-       "0   Tiger      Wild\n",
-       "1    Lion      Wild\n",
-       "2     Cow  Domestic\n",
-       "3     Dog  Domestic"
-      ]
-     },
-     "execution_count": 6,
-     "metadata": {},
-     "output_type": "execute_result"
-    }
-   ],
-   "source": [
-    "# load mongodb data:\n",
-    "import pandas as pd\n",
-    "from pymongo.mongo_client import MongoClient\n",
-    "def load_mongodbdata(host:str, database:str, collection:str):\n",
-    "    client = MongoClient(host)\n",
-    "    db = client[database]\n",
-    "    col = db[collection]\n",
-    "    records = col.find()\n",
-    "    data = list(records)\n",
-    "    df = pd.DataFrame(data)\n",
-    "    df.drop('_id', axis=1, inplace=True)\n",
-    "    return df\n",
-    "\n",
-    "df5 = load_mongodbdata('localhost', 'sample_database', 'sample_collection')\n",
-    "df5"
-   ]
-  },
-  {
-   "cell_type": "code",
-   "execution_count": null,
-   "metadata": {},
-   "outputs": [],
-   "source": []
-  }
- ],
- "metadata": {
-  "kernelspec": {
-   "display_name": "dbsc",
-   "language": "python",
-   "name": "python3"
-  },
-  "language_info": {
-   "codemirror_mode": {
-    "name": "ipython",
-    "version": 3
-   },
-   "file_extension": ".py",
-   "mimetype": "text/x-python",
-   "name": "python",
-   "nbconvert_exporter": "python",
-   "pygments_lexer": "ipython3",
-   "version": "3.12.4"
-  }
- },
- "nbformat": 4,
- "nbformat_minor": 2
-}
diff --git a/experiments/sample.csv b/experiments/sample.csv
deleted file mode 100644
index 249e9b2..0000000
--- a/experiments/sample.csv
+++ /dev/null
@@ -1,5 +0,0 @@
-Animals,Type
-Tiger,Wild
-Lion,Wild
-Cow,Domestic
-Dog,Domestic
diff --git a/experiments/sample.xlsx b/experiments/sample.xlsx
deleted file mode 100644
index c2774e4..0000000
Binary files a/experiments/sample.xlsx and /dev/null differ