Pandas plotting with pie

df_plot_pie.py

import pandas as pd
import numpy as np
import pandas.util.testing as tm
import matplotlib.pyplot as plt

import pandas as pd
import numpy as np

series = pd.Series(3 * np.random.rand(4), index=['a', 'b', 'c', 'd'], name='series')
series.plot(kind='pie', legend=True)
plt.show()


df = pd.DataFrame(3 * np.random.rand(4, 2), index=['a', 'b', 'c', 'd'], columns=['x', 'y'])
df.plot(kind='pie', subplots=True) 
plt.show()

series.plot(kind='pie', labels=['AA', 'BB', 'CC', 'DD'], colors=['r', 'g', 'b', 'c'],
               autopct='%.2f', fontsize=20)
plt.show()

Example for
pandas-dev/pandas#6976