1 from pandas.io.data import DataReader
  2 from datetime import datetime
  3
  4 dr = DataReader("YHOO", "yahoo")
  5
  6 print "Yahoo's stock price over time"
  7 print dr["Volume"]
  8
  9 yh_by_date = DataReader("YHOO",  "yahoo", datetime(2009,1,1))
 10
 11 print "We want to restrict it based on specific dates"
 12 print yh_by_date["Adj Close"][-100:]