[Cosmos] Fix example formatting (#7171)

* Bumped dependency

* Update reqs

* Fixed dependency, replaced changelog

* Updated readme and examples

* Updated docs URLs

* Fixed f-strings

* Another f-string

sdk/cosmos/azure-cosmos/samples/examples.py

@@ -62,15 +62,15 @@
 # [START list_containers]
 database = client.get_database_client(database_name)
 for container in database.list_containers():
-    print(f"Container ID: {container.id}")
+    print("Container ID: {}".format(container.id))
 # [END list_containers]
 
 # Insert new items by defining a dict and calling Container.upsert_item
 # [START upsert_items]
 container = database.get_container_client(container_name)
 for i in range(1, 10):
     container.upsert_item(
-        dict(id=f"item{i}", productName="Widget", productModel=f"Model {i}")
+        dict(id="item{}".format(i), productName="Widget", productModel="Model {}".format(i))
     )
 # [END upsert_items]
 
@@ -131,7 +131,7 @@
 
 # Display the new TTL setting for the container
 container_props = database.get_container_client(container_name).read()
-print(f"New container TTL: {json.dumps(container_props['defaultTtl'])}")
+print("New container TTL: {}".format(json.dumps(container_props['defaultTtl'])))
 # [END reset_container_properties]
 
 # Create a user in the database.
@@ -141,5 +141,5 @@
 except errors.CosmosResourceExistsError:
     print("A user with that ID already exists.")
 except errors.CosmosHttpResponseError as failure:
-    print(f"Failed to create user. Status code:{failure.status_code}")
+    print("Failed to create user. Status code:{}".format(failure.status_code))
 # [END create_user]