Update Usage Record code samples for consistency

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

@@ -12,8 +12,5 @@
 # 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)
+    print(record.count)

rest/usage-records/list-get-example-2/list-get-example-2.6.x.py

@@ -11,3 +11,6 @@
 
 # A list of record objects with the properties described above
 records = client.usage.records.today.list(category="calls")
+
+for record in records:
+    print(record.count)

rest/usage-records/list-get-example-3/list-get-example-3.6.x.py

@@ -13,3 +13,6 @@
 records = client.usage.records.list(
     category="calls-inbound", start_date="2012-09-01", end_date="2012-09-30"
 )
+
+for record in records:
+    print(record.count)

rest/usage-records/list-get-example-4/list-get-example-4.6.x.py

@@ -13,3 +13,6 @@
 records = client.usage.records.daily.list(
     category="calls-inbound", start_date="2012-09-01", end_date="2012-09-30"
 )
+
+for record in records:
+    print(record.count)

rest/usage-records/list-get-example-5/list-get-example-5.6.x.py

@@ -11,3 +11,6 @@
 
 # A list of record objects with the properties described above
 records = client.usage.records.list()
+
+for record in records:
+    print(record.count)