Update task sample comments [(#2156)](GoogleCloudPlatform/python-docs-samples#2156)

* Update task comments

* Update readme

* Update queue name

Author: averikitsch

samples/snippets/README.md

@@ -3,27 +3,17 @@
 [![Open in Cloud Shell][shell_img]][shell_link]
 
 [shell_img]: http://gstatic.com/cloudssh/images/open-btn.png
-[shell_link]: https://console.cloud.google.com/cloudshell/open?git_repo=https://github.com/GoogleCloudPlatform/python-docs-samples&page=editor&open_in_editor=appengine/flexible/tasks/README.md
+[shell_link]: https://console.cloud.google.com/cloudshell/open?git_repo=https://github.com/GoogleCloudPlatform/python-docs-samples&page=editor&open_in_editor=tasks/README.md
 
-Sample command-line programs for interacting with the Cloud Tasks API
-.
-
-App Engine queues push tasks to an App Engine HTTP target. This directory
-contains both the App Engine app to deploy, as well as the snippets to run
-locally to push tasks to it, which could also be called on App Engine.
+This sample demonstrates how to use the
+[Cloud Tasks](https://cloud.google.com/tasks/docs/) client library.
 
 `create_http_task.py` is a simple command-line program to create
 tasks to be pushed to an URL endpoint.
 
 `create_http_task_with_token.py` is a simple command-line program to create
 tasks to be pushed to an URL endpoint with authorization header.
 
-`main.py` is the main App Engine app. This app serves as an endpoint to receive
-App Engine task attempts.
-
-`app.yaml` configures the App Engine app.
-
-
 ## Prerequisites to run locally:
 
 Please refer to [Setting Up a Python Development Environment](https://cloud.google.com/python/setup).
@@ -35,15 +25,13 @@ To set up authentication, please refer to our
 
 ## Creating a queue
 
-To create a queue using the Cloud SDK, use the following gcloud command:
+To create a queue (named `my-queue`) using the Cloud SDK, use the following
+gcloud command:
 
 ```
-gcloud beta tasks queues create-app-engine-queue my-appengine-queue
+gcloud beta tasks queues create my-queue
 ```
 
-Note: A newly created queue will route to the default App Engine service and
-version unless configured to do otherwise.
-
 ## Run the Sample Using the Command Line
 
 Set environment variables:
@@ -58,25 +46,25 @@ Then the queue ID, as specified at queue creation time. Queue IDs already
 created can be listed with `gcloud beta tasks queues list`.
 
 ```
-export QUEUE_ID=my-appengine-queue
+export QUEUE_ID=my-queue
 ```
 
 And finally the location ID, which can be discovered with
-`gcloud beta tasks queues describe $QUEUE_ID`, with the location embedded in
+`gcloud beta tasks queues describe my-queue`, with the location embedded in
 the "name" value (for instance, if the name is
-"projects/my-project/locations/us-central1/queues/my-appengine-queue", then the
+"projects/my-project/locations/us-central1/queues/my-queue", then the
 location is "us-central1").
 
 ```
 export LOCATION_ID=us-central1
 ```
 
-### Using HTTP Push Queues
+### Creating Tasks with HTTP Targets
 
 Set an environment variable for the endpoint to your task handler. This is an
-example url to send requests to the App Engine task handler:
+example url:
 ```
-export URL=https://<project_id>.appspot.com/example_task_handler
+export URL=https://example.com/task_handler
 ```
 
 Running the sample will create a task and send the task to the specific URL

samples/snippets/create_http_task.py

@@ -35,9 +35,9 @@ def create_http_task(project,
 
     # TODO(developer): Uncomment these lines and replace with your values.
     # project = 'my-project-id'
-    # queue = 'my-appengine-queue'
+    # queue = 'my-queue'
     # location = 'us-central1'
-    # url = 'https://<project-id>.appspot.com/example_task_handler'
+    # url = 'https://example.com/task_handler'
     # payload = 'hello'
 
     # Construct the fully qualified queue name.

samples/snippets/create_http_task_test.py

@@ -18,11 +18,11 @@
 
 TEST_PROJECT_ID = os.getenv('GCLOUD_PROJECT')
 TEST_LOCATION = os.getenv('TEST_QUEUE_LOCATION', 'us-central1')
-TEST_QUEUE_NAME = os.getenv('TEST_QUEUE_NAME', 'my-appengine-queue')
+TEST_QUEUE_NAME = os.getenv('TEST_QUEUE_NAME', 'my-queue')
 
 
 def test_create_http_task():
-    url = 'https://example.appspot.com/example_task_handler'
+    url = 'https://example.com/task_handler'
     result = create_http_task.create_http_task(
         TEST_PROJECT_ID, TEST_QUEUE_NAME, TEST_LOCATION, url)
     assert TEST_QUEUE_NAME in result.name

samples/snippets/create_http_task_with_token.py

@@ -35,9 +35,9 @@ def create_http_task(project,
 
     # TODO(developer): Uncomment these lines and replace with your values.
     # project = 'my-project-id'
-    # queue = 'my-appengine-queue'
+    # queue = 'my-queue'
     # location = 'us-central1'
-    # url = 'https://example.com/example_task_handler'
+    # url = 'https://example.com/task_handler'
     # payload = 'hello'
 
     # Construct the fully qualified queue name.

samples/snippets/create_http_task_with_token_test.py

@@ -18,13 +18,13 @@
 
 TEST_PROJECT_ID = os.getenv('GCLOUD_PROJECT')
 TEST_LOCATION = os.getenv('TEST_QUEUE_LOCATION', 'us-central1')
-TEST_QUEUE_NAME = os.getenv('TEST_QUEUE_NAME', 'my-appengine-queue')
+TEST_QUEUE_NAME = os.getenv('TEST_QUEUE_NAME', 'my-queue')
 TEST_SERVICE_ACCOUNT = (
     'test-run-invoker@python-docs-samples-tests.iam.gserviceaccount.com')
 
 
 def test_create_http_task_with_token():
-    url = 'https://example.com/example_task_handler'
+    url = 'https://example.com/task_handler'
     result = create_http_task_with_token.create_http_task(TEST_PROJECT_ID,
                                                           TEST_QUEUE_NAME,
                                                           TEST_LOCATION,