Rename Columns in Pandas DataFrame

Code description

This code snippet provides a simple approach to rename column names in a Panda DataFrame. It directly sets DataFrame.columns property.

Output:

Code snippet

import pandas as pd

data = {}
data['A'] = [1,2,3,4,5]
data['B'] = ['A','B','C','D','E']
df = pd.DataFrame(data)
print(df)

# Rename columns
df.columns = ['a','b']
print(df)