Internal Checkpoint

quandl.ApiConfig.api_key = 'zCYyKsBbzk94ye5yRjvs'
stocks = ['AAPL','AMZN','GOOGL','FB']
data = quandl.get_table('WIKI/PRICES', ticker = stocks,
                        qopts = { 'columns': ['date', 'ticker', 'adj_close'] },
                        date = { 'gte': '2016-1-1', 'lte': '2017-12-31' }, paginate=True)
data.head()