#!/usr/bin/env python
import pandas as pd
print('<h1>Pandas DataFrame</h1>')
print('''After the defintion of
some data frame: <code>x</code>, it can be printed
out with <code>x.to_html()</code>
''')
x=pd.DataFrame({'a':[1,2],'b':[3,4]})
print(x.to_html())