python 2.7 - appcfg.py not working in command line

Question

I'm just having a bit of trouble understanding why this command:

>appcfg.py -A adept-box-109804 update app.yaml

as given by the Try Google App Engine Now page does not work. I have downloaded the App Engine SDK for Python, and have Path set up to point to the location of appcfg.py, but running appcfg.py in my projects root directory does not work in the command line. I either have to navigate to the folder containing appcfg.py and do

>python appcfg.py help

or do

>python "C:Program Files (x86)Googlegoogle_appengineappcfg.py" help

to get a command to work from anywhere. I used the latter method to deploy my test app, but was just wondering if someone could explain why the command as given by the simple Google tutorial did not do anything. I also checked to make sure that .py files are automatically opened with the Python 2.7 interpreter, such that a file hello.py will be executed in the command line by simply typing

>hello.py

and it will output its print statement. On the other hand, using appcfg.py in a similar manner gives the same output no matter the arguments (please note I truncated the output, but rest assured that they are identical no matter the arguments:

C:>appcfg.py help backends
Usage: appcfg.py [options] <action>

Action must be one of:
  backends: Perform a backend action.
  backends configure: Reconfigure a backend without stopping it.
  backends delete: Delete a backend.
  backends list: List all backends configured for the app.
  backends rollback: Roll back an update of a backend.
  backends start: Start a backend.
  backends stop: Stop a backend.
  backends update: Update one or more backends.
  create_bulkloader_config: Create a bulkloader.yaml from a running application.
  cron_info: Display information about cron jobs.
  delete_version: Delete the specified version for an app.
  download_app: Download a previously-uploaded app.
  download_data: Download entities from datastore.
  help: Print help for a specific action.
  list_versions: List all uploaded versions for an app.
  request_logs: Write request logs in Apache common log format.
  resource_limits_info: Get the resource limits.
  rollback: Rollback an in-progress update.
  set_default_version: Set the default (serving) version.
  start_module_version: Start a module version.
  stop_module_version: Stop a module version.
  update: Create or update an app version.
  update_cron: Update application cron definitions.
  update_dispatch: Update application dispatch definitions.
  update_dos: Update application dos definitions.
  update_indexes: Update application indexes.
  update_queues: Update application task queue definitions.
  upload_data: Upload data records to datastore.
  vacuum_indexes: Delete unused indexes from application.
Use 'help <action>' for a detailed description.

C:>appcfg.py help update
Usage: appcfg.py [options] <action>

Action must be one of:
  backends: Perform a backend action.
  backends configure: Reconfigure a backend without stopping it.
  backends delete: Delete a backend.
  backends list: List all backends configured for the app.
  backends rollback: Roll back an update of a backend.
  backends start: Start a backend.
  backends stop: Stop a backend.
  backends update: Update one or more backends.
  create_bulkloader_config: Create a bulkloader.yaml from a running application.
  cron_info: Display information about cron jobs.
  delete_version: Delete the specified version for an app.
  download_app: Download a previously-uploaded app.
  download_data: Download entities from datastore.
  help: Print help for a specific action.
  list_versions: List all uploaded versions for an app.
  request_logs: Write request logs in Apache common log format.
  resource_limits_info: Get the resource limits.
  rollback: Rollback an in-progress update.
  set_default_version: Set the default (serving) version.
  start_module_version: Start a module version.
  stop_module_version: Stop a module version.
  update: Create or update an app version.
  update_cron: Update application cron definitions.
  update_dispatch: Update application dispatch definitions.
  update_dos: Update application dos definitions.
  update_indexes: Update application indexes.
  update_queues: Update application task queue definitions.
  upload_data: Upload data records to datastore.
  vacuum_indexes: Delete unused indexes from application.
Use 'help <action>' for a detailed description.

Answer 1

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