example using get_barset

Author: Shlomi Kushchi

README.md

@@ -36,6 +36,16 @@ account = api.get_account()
 api.list_positions()
 ```
 
+#### Using `get_barset()`
+```python 
+import pandas as pd
+NY = 'America/New_York'
+start=pd.Timestamp('2020-08-01', tz=NY).isoformat()
+end=pd.Timestamp('2020-08-30', tz=NY).isoformat()
+print(api.get_barset(['AAPL', 'GOOG'], 'day', start=start, end=end).df)
+```
+please note the exact format of the dates
+
 ## Example Scripts
 
 Please see the `examples/` folder for some example scripts that make use of this API