Add method: has_node #4413

Job	Run time
Build, rustfmt, and python lint	1m 37s
python3.8-x64 macOS-13	4m 7s
python3.8-x64 ubuntu-latest	2m 35s
python3.8-x64 windows-latest	6m 7s
python3.9-x64 macOS-13	4m 55s
python3.9-x64 ubuntu-latest	3m 9s
python3.9-x64 windows-latest	7m 1s
python3.10-x64 macOS-13	4m 1s
python3.10-arm64 macOS-14	3m 7s
python3.10-x64 ubuntu-latest	2m 45s
python3.10-x64 windows-latest	6m 35s
python3.11-x64 macOS-13	4m 34s
python3.11-arm64 macOS-14	2m 20s
python3.11-x64 ubuntu-latest	2m 57s
python3.11-x64 windows-latest	5m 41s
python3.12-x64 macOS-13	4m 40s
python3.12-arm64 macOS-14	2m 37s
python3.12-x64 ubuntu-latest	3m 7s
python3.12-x64 windows-latest	6m 45s
python3.8-x64 ubuntu-latest MSRV	2m 56s
python-stubs-3.8	2m 27s
python-stubs-3.9	2m 29s
Coverage	2m 32s
Build Docs	7m 52s
python-stubs-3.10	2m 22s
python-stubs-3.11	2m 24s
	1h 41m 42s

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