pandas_5.ipynb

{
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  {
   "cell_type": "code",
   "execution_count": 1,
   "id": "3137c116",
   "metadata": {},
   "outputs": [],
   "source": [
    "import pandas as pd\n",
    "import numpy as np"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 2,
   "id": "5cf89ca1",
   "metadata": {},
   "outputs": [
    {
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       "<div>\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>name</th>\n",
       "      <th>roll</th>\n",
       "    </tr>\n",
       "  </thead>\n",
       "  <tbody>\n",
       "    <tr>\n",
       "      <th>0</th>\n",
       "      <td>a</td>\n",
       "      <td>10</td>\n",
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       "      <td>b</td>\n",
       "      <td>20</td>\n",
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       "      <th>2</th>\n",
       "      <td>c</td>\n",
       "      <td>30</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>3</th>\n",
       "      <td>d</td>\n",
       "      <td>40</td>\n",
       "    </tr>\n",
       "  </tbody>\n",
       "</table>\n",
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      "text/plain": [
       "  name  roll\n",
       "0    a    10\n",
       "1    b    20\n",
       "2    c    30\n",
       "3    d    40"
      ]
     },
     "execution_count": 2,
     "metadata": {},
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    }
   ],
   "source": [
    "df1 = {\n",
    "    'name' : ['a', 'b', 'c', 'd'],\n",
    "    'roll' : [10, 20, 30, 40],\n",
    "}\n",
    "df2 = pd.DataFrame(df1)\n",
    "df2"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 3,
   "id": "ef363adb",
   "metadata": {},
   "outputs": [
    {
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       "    }\n",
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       "    .dataframe thead th {\n",
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       "<table border=\"1\" class=\"dataframe\">\n",
       "  <thead>\n",
       "    <tr style=\"text-align: right;\">\n",
       "      <th></th>\n",
       "      <th>names</th>\n",
       "      <th>roll_no</th>\n",
       "    </tr>\n",
       "  </thead>\n",
       "  <tbody>\n",
       "    <tr>\n",
       "      <th>0</th>\n",
       "      <td>aa</td>\n",
       "      <td>100</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>1</th>\n",
       "      <td>bb</td>\n",
       "      <td>200</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>2</th>\n",
       "      <td>cc</td>\n",
       "      <td>300</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>3</th>\n",
       "      <td>dd</td>\n",
       "      <td>400</td>\n",
       "    </tr>\n",
       "  </tbody>\n",
       "</table>\n",
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      ],
      "text/plain": [
       "  names  roll_no\n",
       "0    aa      100\n",
       "1    bb      200\n",
       "2    cc      300\n",
       "3    dd      400"
      ]
     },
     "execution_count": 3,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "df3 = {\n",
    "    'names' : ['aa', 'bb', 'cc', 'dd'],\n",
    "    'roll_no' : [100, 200, 300, 400],\n",
    "}\n",
    "df4 = pd.DataFrame(df3)\n",
    "df4"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 8,
   "id": "be18157e",
   "metadata": {},
   "outputs": [
    {
     "data": {
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       "<div>\n",
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       "<table border=\"1\" class=\"dataframe\">\n",
       "  <thead>\n",
       "    <tr style=\"text-align: right;\">\n",
       "      <th></th>\n",
       "      <th>name</th>\n",
       "      <th>roll</th>\n",
       "      <th>names</th>\n",
       "      <th>roll_no</th>\n",
       "    </tr>\n",
       "  </thead>\n",
       "  <tbody>\n",
       "    <tr>\n",
       "      <th>0</th>\n",
       "      <td>a</td>\n",
       "      <td>10</td>\n",
       "      <td>aa</td>\n",
       "      <td>100</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>1</th>\n",
       "      <td>b</td>\n",
       "      <td>20</td>\n",
       "      <td>bb</td>\n",
       "      <td>200</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>2</th>\n",
       "      <td>c</td>\n",
       "      <td>30</td>\n",
       "      <td>cc</td>\n",
       "      <td>300</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>3</th>\n",
       "      <td>d</td>\n",
       "      <td>40</td>\n",
       "      <td>dd</td>\n",
       "      <td>400</td>\n",
       "    </tr>\n",
       "  </tbody>\n",
       "</table>\n",
       "</div>"
      ],
      "text/plain": [
       "  name  roll names  roll_no\n",
       "0    a    10    aa      100\n",
       "1    b    20    bb      200\n",
       "2    c    30    cc      300\n",
       "3    d    40    dd      400"
      ]
     },
     "execution_count": 8,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "df2.join(df4)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "id": "ae6a5eba",
   "metadata": {},
   "outputs": [],
   "source": []
  }
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