Python SDKDocs updates for v1.2 client

daprdocs/content/en/python-sdk-docs/python-client.md

@@ -33,11 +33,16 @@ The Python SDK allows you to interface with all of the [Dapr building blocks]({{
 from dapr.clients import DaprClient
 
 with DaprClient() as d:
-    resp = d.invoke_method(id='service-to-invoke', method='method-to-invoke', data='{"message":"Hello World"}')
+    # invoke a method (gRPC or HTTP GET)    
+    resp = d.invoke_method('service-to-invoke', 'method-to-invoke', data='{"message":"Hello World"}')
+
+    # for other HTTP verbs the verb must be specified
+    # invoke a 'POST' method (HTTP only)    
+    resp = d.invoke_method('service-to-invoke', 'method-to-invoke', data='{"id":"100", "FirstName":"Value", "LastName":"Value"}', http_verb='post')
 ```
 
 - For a full guide on service invocation visit [How-To: Invoke a service]({{< ref howto-invoke-discover-services.md >}}).
-- Visit [Python SDK examples](https://github.com/dapr/python-sdk/tree/daprdocs-setup/examples/invoke-simple) for code samples and instructions to try out service invocation
+- Visit [Python SDK examples](https://github.com/dapr/python-sdk/tree/master/examples/invoke-simple) for code samples and instructions to try out service invocation
 
 ### Save & get application state
 
@@ -56,9 +61,11 @@ with DaprClient() as d:
 ```
 
 - For a full list of state operations visit [How-To: Get & save state]({{< ref howto-get-save-state.md >}}).
-- Visit [Python SDK examples](https://github.com/dapr/python-sdk/tree/daprdocs-setup/examples/state_store) for code samples and instructions to try out state management
+- Visit [Python SDK examples](https://github.com/dapr/python-sdk/tree/master/examples/state_store) for code samples and instructions to try out state management
+
+### Publish & subscribe to messages
 
-### Publish messages
+##### Publish messages
 
 ```python
 from dapr.clients import DaprClient
@@ -67,8 +74,24 @@ with DaprClient() as d:
     resp = d.publish_event(pubsub_name='pubsub', topic='TOPIC_A', data='{"message":"Hello World"}')
 ```
 
+##### Subscribe to messages
+
+```python
+from cloudevents.sdk.event import v1
+from dapr.ext.grpc import App
+import json
+
+app = App()
+
+@app.subscribe(pubsub_name='pubsub', topic='TOPIC_A')
+def mytopic(event: v1.Event) -> None:
+    data = json.loads(event.Data())
+    print(f'Received: id={data["id"]}, message="{data ["message"]}"' 
+          ' content_type="{event.content_type}"',flush=True)
+```
+
 - For a full list of state operations visit [How-To: Publish & subscribe]({{< ref howto-publish-subscribe.md >}}).
-- Visit [Python SDK examples](https://github.com/dapr/python-sdk/tree/daprdocs-setup/examples/pubsub-simple) for code samples and instructions to try out pub/sub
+- Visit [Python SDK examples](https://github.com/dapr/python-sdk/tree/master/examples/pubsub-simple) for code samples and instructions to try out pub/sub
 
 ### Interact with output bindings
 
@@ -80,7 +103,7 @@ with DaprClient() as d:
 ```
 
 - For a full guide on output bindings visit [How-To: Use bindings]({{< ref howto-bindings.md >}}).
-- Visit [Python SDK examples](https://github.com/dapr/python-sdk/tree/daprdocs-setup/examples/invoke-binding) for code samples and instructions to try out output bindings
+- Visit [Python SDK examples](https://github.com/dapr/python-sdk/tree/master/examples/invoke-binding) for code samples and instructions to try out output bindings
 
 ### Retrieve secrets
 
@@ -92,7 +115,7 @@ with DaprClient() as d:
 ```
 
 - For a full guide on secrets visit [How-To: Retrieve secrets]({{< ref howto-secrets.md >}}).
-- Visit [Python SDK examples](https://github.com/dapr/python-sdk/tree/daprdocs-setup/examples/secret_store) for code samples and instructions to try out retrieving secrets
+- Visit [Python SDK examples](https://github.com/dapr/python-sdk/tree/master/examples/secret_store) for code samples and instructions to try out retrieving secrets
 
 ## Related links
-- [Python SDK examples](https://github.com/dapr/python-sdk/tree/daprdocs-setup/examples)
+- [Python SDK examples](https://github.com/dapr/python-sdk/tree/master/examples)