Renommer la colonne en indexant

import pandas as pd
  
# Sample DataFrame
df = pd.DataFrame({'a': [1, 2], 'b': [3, 4]})
  
# Changing columns name with index number
df.columns.values[0] = "b"
df.columns.values[1] = "a"
  
# Display
display(df)
Tushar Sharma