rename column by index pandas code example

Example 1: python: change column name

df = df.rename(columns = {'myvar':'myvar_new'})

Example 2: pandas rename index values

df.rename(index={'alpha': 'mu'})

Example 3: how to change column name in pandas

print(df.rename(columns={'A': 'a', 'C': 'c'}))
#         a   B   c
# ONE    11  12  13
# TWO    21  22  23
# THREE  31  32  33

Example 4: rename dataframe index column pandas

df.index.names = ['new_name']

Example 5: 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)