Add multi-function synchronization examples #1193

Job	Run time
Run CI / Build / Build	59s
Run CI / Generate docs / Generate docs	2m 42s
Run CI / Run unit tests / Run unit tests (ubuntu-latest, 3.8)	46s
Run CI / Run unit tests / Run unit tests (ubuntu-latest, 3.9)	47s
Run CI / Run unit tests / Run unit tests (ubuntu-latest, 3.10)	46s
Run CI / Run unit tests / Run unit tests (ubuntu-latest, 3.11)	40s
Run CI / Run unit tests / Run unit tests (ubuntu-latest, 3.12)	58s
Run CI / Run unit tests / Run unit tests (windows-latest, 3.8)	1m 20s
Run CI / Run unit tests / Run unit tests (windows-latest, 3.9)	1m 14s
Run CI / Run unit tests / Run unit tests (windows-latest, 3.10)	1m 35s
Run CI / Run unit tests / Run unit tests (windows-latest, 3.11)	1m 29s
Run CI / Run unit tests / Run unit tests (windows-latest, 3.12)	1m 30s
Run CI / Run system tests / Run system tests (win-10-py32)	37m 58s
Run CI / Run system tests / Run system tests (win-10-py64)	34m 41s
Run CI / Report test results / Report test results	19s
	1h 27m 44s

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