Pandas DataFrame add_suffix() Method

Example

Insert "_data" after each column label:

import pandas as pd

data = {
"age": [50, 40, 30, 40, 20, 10, 30],
"qualified": [True, False, False, False, False, True, True]
}
df = pd.DataFrame(data)

newdf = df.add_suffix("_after")

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Definition and Usage

The add_suffix() method inserts the specified value at the end of each column label.

To add a value before the column label, use the add_prefix() method.

Syntax

dataframe.suffix(prefix)

Parameters

Parameter	Description
prefix	Required. A string to add after the column labels

Return Value

A DataFrame with the result.

This method does not change the original DataFrame.

❮ DataFrame Reference