pandas index rename code example

Example 1: rename dataframe index column pandas

df.index.names = ['new_name']

Example 2: python - give a name to index column

df.index.name                      # Show me the current name
df.index.name = 'my_column_name'   # Change the index name to my_column_name

Example 3: pandas rename column by index?

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)