2884. Modify Columns

Description

DataFrame employees
+-------------+--------+
| Column Name | Type   |
+-------------+--------+
| name        | object |
| salary      | int    |
+-------------+--------+

A company intends to give its employees a pay rise.

Write a solution to modify the salary column by multiplying each salary by 2.

The result format is in the following example.

 

Example 1:

Input:
DataFrame employees
+---------+--------+
| name    | salary |
+---------+--------+
| Jack    | 19666  |
| Piper   | 74754  |
| Mia     | 62509  |
| Ulysses | 54866  |
+---------+--------+
Output:
+---------+--------+
| name    | salary |
+---------+--------+
| Jack    | 39332  |
| Piper   | 149508 |
| Mia     | 125018 |
| Ulysses | 109732 |
+---------+--------+
Explanation:
Every salary has been doubled.

Solutions

Solution 1

Python3

import pandas as pd


def modifySalaryColumn(employees: pd.DataFrame) -> pd.DataFrame:
    employees['salary'] *= 2
    return employees

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