Restructure Python examples #6306

Job	Run time
build_windows (3.14)	8m 41s
build_windows (3.12)	8m 19s
build_linux (3.14)	5m 3s
build_windows (3.11)	9m 35s
build_linux (3.11)	5m 22s
build_linux (3.10)	5m 39s
build_linux (3.12)	5m 3s
build_windows (3.13)	9m 39s
build_linux (3.13)	5m 30s
build_windows (3.10)	9m 53s
test_examples_linux (3.14, false, ubuntu-latest)	5m 20s
test_linux (3.12, false, ubuntu-latest)	2m 17s
test_linux (3.13, false, ubuntu-latest)	2m 34s
test_linux (3.11, false, ubuntu-latest)	2m 21s
test_linux (3.10, false, ubuntu-latest)	2m 37s
test_linux (3.14, false, ubuntu-latest)	2m 16s
upload_linux	0s
test_windows (3.11, false, windows-latest)	3m 48s
test_windows (3.12, false, windows-latest)	3m 25s
test_windows (3.14, false, windows-latest)	3m 33s
test_windows (3.13, false, windows-latest)	3m 16s
test_windows (3.10, false, windows-latest)	3m 10s
upload_windows	0s
Clean up anaconda packages	0s
	1h 47m 21s

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