How To Add a Column to a Data Frame in Pandas (Python)

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This video shows 3 ways to add new columns to Pandas Data Frames in Python. Adding new columns is a basic data manipulation task that is a common part of the data cleaning and wrangling process.

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Code used in this Python Code Clip:

import pandas as pd

# Method #1: Direct Column Assignment

# Method #2: Use .insert()

"new_2", # Name of new column

# Method #3: Use .assign()

* Note: YouTube does not allow greater than or less than symbols in the text description, so the code above will not be exactly the same as the code shown in the video! I will use Unicode large ＜ and ＞ symbols in place of the standard sized ones. .