Add multi-function synchronization examples #1192

Job	Run time
Run CI / Build / Build	59s
Run CI / Generate docs / Generate docs	57s
Run CI / Run unit tests / Run unit tests (ubuntu-latest, 3.8)	55s
Run CI / Run unit tests / Run unit tests (ubuntu-latest, 3.9)	43s
Run CI / Run unit tests / Run unit tests (ubuntu-latest, 3.10)	52s
Run CI / Run unit tests / Run unit tests (ubuntu-latest, 3.11)	43s
Run CI / Run unit tests / Run unit tests (ubuntu-latest, 3.12)	53s
Run CI / Run unit tests / Run unit tests (windows-latest, 3.8)	1m 24s
Run CI / Run unit tests / Run unit tests (windows-latest, 3.9)	1m 19s
Run CI / Run unit tests / Run unit tests (windows-latest, 3.10)	1m 31s
Run CI / Run unit tests / Run unit tests (windows-latest, 3.11)	1m 18s
Run CI / Run unit tests / Run unit tests (windows-latest, 3.12)	1m 21s
Run CI / Run system tests / Run system tests (win-10-py32)	37m 9s
Run CI / Run system tests / Run system tests (win-10-py64)	35m 16s
Run CI / Report test results / Report test results	14s
	1h 25m 34s

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