Restructure Python examples #6307

Job	Run time
build_windows (3.11)	8m 14s
build_linux (3.12)	5m 56s
build_linux (3.11)	5m 37s
build_windows (3.10)	12m 1s
build_linux (3.13)	6m 10s
build_windows (3.14)	8m 28s
build_linux (3.10)	5m 48s
build_linux (3.14)	5m 21s
build_windows (3.12)	9m 52s
build_windows (3.13)	8m 28s
test_examples_linux (3.14, false, ubuntu-latest)	5m 41s
test_linux (3.11, false, ubuntu-latest)	2m 39s
test_linux (3.10, false, ubuntu-latest)	2m 6s
test_linux (3.14, false, ubuntu-latest)	2m 58s
test_linux (3.12, false, ubuntu-latest)	3m 23s
test_linux (3.13, false, ubuntu-latest)	3m 39s
upload_linux	0s
test_windows (3.10, false, windows-latest)	3m 50s
test_windows (3.13, false, windows-latest)	3m 12s
test_windows (3.14, false, windows-latest)	4m 12s
test_windows (3.12, false, windows-latest)	3m 9s
test_windows (3.11, false, windows-latest)	3m 9s
upload_windows	-1s
Clean up anaconda packages	0s
	1h 53m 52s

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