message: add a version in readmepython
diff: @@ -16,6 +16,7 @@ Generate all API versions currently shipped for this package
  ```yaml $(multiapi)
  clear-output-folder: true
  batch:
  + - tag: package-2020-11
  - tag: package-2020-08
  - tag: package-2020-07
  - tag: package-2020-06
  @@ -57,6 +58,16 @@ clear-output-folder: false
  perform-load: false
  ```
  +### Tag: package-2020-11 and python
  +
  +These settings apply only when `--tag=package-2020-11 --python` is specified on the command line.
  +Please also specify `--python-sdks-folder=<path to the root directory of your azure-sdk-for-python clone>`.
  +
  +``` yaml $(tag) == 'package-2020-11'
  +namespace: azure.mgmt.network.v2020_11_01
  +output-folder: $(python-sdks-folder)/network/azure-mgmt-network/azure/mgmt/network/v2020_11_01
  +```
  +
  ### Tag: package-2020-08 and python
  These settings apply only when `--tag=package-2020-08 --python` is specified on the command line.
  