iothub readme.python package version change (#14043)

* iothub readme.python package version change

* multiapiscript add

* clear output folder

* Update readme.python.md

* Update readme.python.md

* Update readme.python.md

Co-authored-by: msyyc <70930885+msyyc@users.noreply.github.com>

specification/iothub/resource-manager/readme.python.md

@@ -54,6 +54,13 @@ batch:
   - tag: package-2017-07
   - tag: package-2017-01
   - tag: package-2016-02
+  - multiapiscript: true
+```
+
+``` yaml $(multiapiscript)
+output-folder: $(python-sdks-folder)/iothub/azure-mgmt-iothub/azure/mgmt/iothub/
+clear-output-folder: false
+perform-load: false
 ```
 
 ### Tag: package-preview-2021-03 and python
@@ -62,11 +69,11 @@ These settings apply only when `--tag=package-preview-2021-03 --python` is speci
 Please also specify `--python-sdks-folder=<path to the root directory of your azure-sdk-for-python clone>`.
 
 ``` yaml $(tag) == 'package-preview-2021-03' && $(python)
-namespace: azure.mgmt.iothub.v2021_03_01_preview
-output-folder: $(python-sdks-folder)/iothub/azure-mgmt-iothub/azure/mgmt/iothub/v2021_03_01_preview
+namespace: azure.mgmt.iothub.v2021_03_03_preview
+output-folder: $(python-sdks-folder)/iothub/azure-mgmt-iothub/azure/mgmt/iothub/v2021_03_03_preview
 python:
-  namespace: azure.mgmt.iothub.v2021_03_01_preview
-  output-folder: $(python-sdks-folder)/iothub/azure-mgmt-iothub/azure/mgmt/iothub/v2021_03_01_preview
+  namespace: azure.mgmt.iothub.v2021_03_03_preview
+  output-folder: $(python-sdks-folder)/iothub/azure-mgmt-iothub/azure/mgmt/iothub/v2021_03_03_preview
 ```
 
 ### Tag: package-2020-03 and python
@@ -171,4 +178,4 @@ output-folder: $(python-sdks-folder)/iothub/azure-mgmt-iothub/azure/mgmt/iothub/
 python:
   namespace: azure.mgmt.iothub.v2016_02_03
   output-folder: $(python-sdks-folder)/iothub/azure-mgmt-iothub/azure/mgmt/iothub/v2016_02_03
-```
+```