In [1]:
# Import libraries
import pandas as pd
import sys

In [2]:
# Our small data set
d = {'one':[1,1],'two':[2,2]}
i = ['a','b']

# Create dataframe
df = pd.DataFrame(data = d, index = i)
df


Out[2]:
one two
a 1 2
b 1 2

In [3]:
df.index


Out[3]:
Index(['a', 'b'], dtype='object')

In [4]:
# Bring the columns and place them in the index
stack = df.stack()
stack


Out[4]:
a  one    1
   two    2
b  one    1
   two    2
dtype: int64

In [5]:
# The index now includes the column names
stack.index


Out[5]:
MultiIndex(levels=[['a', 'b'], ['one', 'two']],
           labels=[[0, 0, 1, 1], [0, 1, 0, 1]])

In [6]:
unstack = df.unstack()
unstack


Out[6]:
one  a    1
     b    1
two  a    2
     b    2
dtype: int64

In [7]:
unstack.index


Out[7]:
MultiIndex(levels=[['one', 'two'], ['a', 'b']],
           labels=[[0, 0, 1, 1], [0, 1, 0, 1]])

In [8]:
transpose = df.T
transpose


Out[8]:
a b
one 1 1
two 2 2

In [9]:
transpose.index


Out[9]:
Index(['one', 'two'], dtype='object')

In [ ]: