Compute readme.python.md (#10679)

Author: qwordy

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

@@ -44,6 +44,7 @@ Generate all API versions currently shipped for this package
 
 ```yaml $(multiapi) && !$(track2)
 batch:
+  - tag: package-2020-06-30-only
   - tag: package-2020-06-01-only
   - tag: package-2020-05-01-only
   - tag: package-2019-12-01-only
@@ -66,6 +67,7 @@ batch:
 ```yaml $(multiapi) && $(track2)
 clear-output-folder: true
 batch:
+  - tag: package-2020-06-30-only
   - tag: package-2020-06-01-only
   - tag: package-2020-05-01-only
   - tag: package-2019-12-01-only
@@ -92,6 +94,19 @@ clear-output-folder: false
 perform-load: false
 ```
 
+### Tag: package-2020-06-30-only and python
+
+These settings apply only when `--tag=package-2020-06-30-only --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-2020-06-30-only'
+namespace: azure.mgmt.compute.v2020_06_30
+output-folder: $(python-sdks-folder)/compute/azure-mgmt-compute/azure/mgmt/compute/v2020_06_30
+python:
+  namespace: azure.mgmt.compute.v2020_06_30
+  output-folder: $(python-sdks-folder)/compute/azure-mgmt-compute/azure/mgmt/compute/v2020_06_30
+```
+
 ### Tag: package-2020-06-01-only and python
 
 These settings apply only when `--tag=package-2020-06-01-only --python` is specified on the command line.