Add Python multi-language guide #30761

Job	Run time
Build python source distribution	1m 8s
Check environment variables	18s
Build python cp39- wheels on auto for ubuntu-20.04	16m 55s
Build python cp310- wheels on auto for ubuntu-20.04	20m 51s
Prepare GCS	0s
Build python cp311- wheels on auto for ubuntu-20.04	16m 23s
Build python cp312- wheels on auto for ubuntu-20.04	15m 11s
Build python cp39- wheels on auto for macos-13	18s
Build python cp310- wheels on auto for macos-13	18s
Build python cp311- wheels on auto for macos-13	18s
Build python cp312- wheels on auto for macos-13	4m 52s
Build python cp39- wheels on auto for windows-latest	19s
Build python cp310- wheels on auto for windows-latest	18s
Build python cp311- wheels on auto for windows-latest	18s
Build python cp312- wheels on auto for windows-latest	5m 32s
Build python cp39- wheels on aarch64 for ubuntu-20.04	37s
Build python cp310- wheels on aarch64 for ubuntu-20.04	1m 3s
Upload python source distribution to GCS bucket	0s
Build python cp311- wheels on aarch64 for ubuntu-20.04	30s
Build python cp312- wheels on aarch64 for ubuntu-20.04	1h 16m 46s
Branch repo nightly	0s
Upload wheels to GCS bucket	0s
List files on Google Cloud Storage Bucket	0s
	2h 41m 55s

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