explain this code : {
 "cells": [
  {
   "cell_type": "code",
   "execution_count": 147,
   "id": "d4a9c7d6",
   "metadata": {
    "id": "d4a9c7d6"
   },
   "outputs": [],
   "source": [
    "import pandas as pd\n",
    "import numpy as np\n",
    "import seaborn as sns\n",
    "from sklearn.preprocessing import OneHotEncoder\n",
    "from sklearn.linear_model import LogisticRegression\n",
    "from sklearn.model_selection import train_test_split\n",
    "import matplotlib.pyplot as plt\n",
    "import seaborn as sns\n",
    "import math\n",
    "import random\n",
    "sns.set()\n",
    "#import hvplot as hlt"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 365,
   "id": "8787caea",
   "metadata": {
    "colab": {
     "base_uri": "https://localhost:8080/",
     "height": 1000
    },
    "id": "8787caea",
    "outputId": "2f782c37-373f-404b-c871-68c642e6b516"
   },
   "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",
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       "\n",
       "    .dataframe thead th {\n",
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       "</style>\n",
       "<table border=\"1\" class=\"dataframe\">\n",
       "  <thead>\n",
       "    <tr style=\"text-align: right;\">\n",
       "      <th></th>\n",
       "      <th>Timestamp</th>\n",
       "      <th>age</th>\n",
       "      <th>gender</th>\n",
       "      <th>level</th>\n",
       "      <th>income level</th>\n",
       "      <th>income level (num)</th>\n",
       "      <th>ID</th>\n",
       "      <th>Current career /future career</th>\n",
       "      <th>Data scientist?</th>\n",
       "      <th>devices count</th>\n",
       "      <th>...</th>\n",
       "      <th>Self study hours</th>\n",
       "      <th>Entertainment (general) hours</th>\n",
       "      <th>sum of the time spent</th>\n",
       "      <th>processor.</th>\n",
       "      <th>is it intel</th>\n",
       "      <th>processor generation</th>\n",
       "      <th>how powerful from 1_to_5</th>\n",
       "      <th>graphics card model</th>\n",
       "      <th>how powerful from 1_to_5.1</th>\n",
       "      <th>point of view</th>\n",
       "    </tr>\n",
       "  </thead>\n",
       "  <tbody>\n",
       "    <tr>\n",
       "      <th>0</th>\n",
       "      <td>2023/04/27 11:05:28 PM GMT+3< Provide two versions of response separated with exactly 6 asterisk symbols: ******.
user