how to sort index in pandas dataframe code example

Example 1: how to sort index

pd.sort_index()

Example 2: how to sort the dataframe in python by axis

import pandas as pd
import numpy as np

unsorted_df = pd.DataFrame(np.random.randn(10,2),index=[1,4,6,2,3,5,9,8,0,7],colu
   mns = ['col2','col1'])

sorted_df=unsorted_df.sort_index()
print sorted_df