Update list-get-example-1.6.x.py (TwilioDevEd#908)

* Update list-get-example-1.6.x.py

Author: dphamb

rest/usage-records/list-get-example-1/list-get-example-1.6.x.py

@@ -11,3 +11,9 @@
 
 # A list of record objects with the properties described above
 records = client.usage.records.last_month.list()
+
+
+# Print the JSON object
+for record in records:
+    print(record.start_date, record.end_date, record.category, record.count,
+    record.count_unit, record.price, record.price_unit)