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Pandas DataFrame keys() Method

❮ DataFrame Reference


Example

Return the column names of the DataFrame:

import pandas as pd

data = {
  "firstname": ["Sally", "Mary", "John"],
  "age": [50, 40, 30]
}

df = pd.DataFrame(data)

print(df.keys())
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Definition and Usage

The keys() method returns a Index object with the column names.

The Index object is like a list, with the column names as list items.


Syntax

dataframe.keys():

Parameters

The keys() method takes no parameters.


Return Value

An Index object with the columns names.


❮ DataFrame Reference