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Method __iter__Method items Method iteritems Method iterrows Method itertuples Method keys

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Pandas DataFrame | keys method

schedule Mar 5, 2023

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Python●Pandas

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Pandas DataFrame.keys() method returns the columns of the DataFrame as an Index object.

Examples

Consider the following DataFrame:


        
        
            
                
                
                    df = pd.DataFrame({"A":[3,4], "B":[5,6]})
df
                
            
               A  B
0  3  5
1  4  6

To get the columns of df:


        
        
            
                
                
                    df.keys()
                
            
            Index(['A', 'B'], dtype='object')

The returned value is of type Index, and so you can access the actual column labels using [] syntax like so:


        
        
            
                
                
                    df.keys()[0]
                
            
            'A'

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Published by Isshin Inada

Edited by 0 others

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Official Pandas Documentation

https://pandas.pydata.org/docs/reference/api/pandas.DataFrame.keys.html

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