Adding Columns to Pandas DataFrames

Title: Adding Columns to Pandas DataFrames

URL Source: https://giulio-laurenti.medium.com/adding-columns-to-pandas-dataframes-d4f587709d81?source=rss------python-5

Published Time: 2026-04-22T19:39:38Z

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# Adding Columns to Pandas DataFrames | by Giulio Laurenti, PhD | Apr, 2026 | Medium

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# Adding Columns to Pandas DataFrames

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In a [previous post](https://medium.com/@giulio-laurenti/adding-rows-to-pandas-dataframes-2863e1cd0804), we learned to add rows to a DataFrame. Here, we will learn to add columns.

For this article, we will import both Pandas and Numpy.

import pandas as pd

import numpy as np
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