Pandas: Apply string methods on column names

In a pandas DataFrame, the columns property represents the column names of the DataFrame.

 

df.columns = df.columns.str.strip().str.upper()

 

Above snippet convert all the column names to upper case.

 

string_methods_on_column_names.py

import pandas as pd

# Create a sample DataFrame
data = {'Name': ['Krishna', 'Sailu', 'Joel', 'kranthi', 'Jitendra', 'Kumar'],
        'Hobbies': ['Football,Cricket', 'Tennis, cricket', 'Trekking, reading books', 'Chess', 'Read Books', 'Cricket']}
df = pd.DataFrame(data)

print('Original DataFrame')
print(df)

df.columns = df.columns.str.upper()
print('\nConverted column to upper case :\n', df)

 

Output

Original DataFrame
       Name                  Hobbies
0   Krishna         Football,Cricket
1     Sailu          Tennis, cricket
2      Joel  Trekking, reading books
3   kranthi                    Chess
4  Jitendra               Read Books
5     Kumar                  Cricket

Converted column to upper case :
        NAME                  HOBBIES
0   Krishna         Football,Cricket
1     Sailu          Tennis, cricket
2      Joel  Trekking, reading books
3   kranthi                    Chess
4  Jitendra               Read Books
5     Kumar                  Cricket

 

 

  

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