Operations_on_columns.ipynb

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        "Making changes to the data ⌨"
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              "   #                   Name Type 1  Type 2  HP  Attack  Defense  Sp. Atk  \\\n",
              "0  1              Bulbasaur  Grass  Poison  45      49       49       65   \n",
              "1  2                Ivysaur  Grass  Poison  60      62       63       80   \n",
              "2  3               Venusaur  Grass  Poison  80      82       83      100   \n",
              "3  3  VenusaurMega Venusaur  Grass  Poison  80     100      123      122   \n",
              "4  4             Charmander   Fire     NaN  39      52       43       60   \n",
              "\n",
              "   Sp. Def  Speed  Generation  Legendary  Total  \n",
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          "metadata": {},
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      ],
      "source": [
        "import pandas as pd\n",
        "df = pd.read_csv(\"/content/sample_data/data_set.csv\")\n",
        "\n",
        "#Creating a column which is total of all parameter based columns named - Total\n",
        "df[\"Total\"] = df[\"HP\"] + df[\"Attack\"] + df[\"Defense\"] + df[\"Sp. Atk\"] + df[\"Sp. Def\"] + df[\"Speed\"]\n",
        "df.head(5) #We will see the addition of a column Total in the end of the table"
      ]
    },
    {
      "cell_type": "code",
      "source": [
        "#Dropping columns\n",
        "df = df.drop(columns=[\"Legendary\"])"
      ],
      "metadata": {
        "id": "5hflCaDuWUN2"
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      "execution_count": 16,
      "outputs": []
    },
    {
      "cell_type": "code",
      "source": [
        "#Adding columns\n",
        "df[\"Total\"] = df.iloc[:,4:10].sum(axis=1) #If we want sum to be vertical we specify 1 if we want it horizontal we specify 0"
      ],
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      "source": [
        "#Making the columns as a list value\n",
        "cols = list(df.columns.values)\n",
        "df = df[cols[0:4] + [cols[-1]] + cols[4:12]]\n",
        "df.head(5)"
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      "execution_count": 20,
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              "   #                   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",
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              "   Sp. Atk  Sp. Def  Speed  Total  \n",
              "0       65       65     45    318  \n",
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          "execution_count": 20
        }
      ]
    }
  ]
}