optional argument to return a tuple containing keymaterial and associated comment of ssh private key #940

Job	Run time
mypy	15s
python_no_gil	3m 24s
build (3.6, yes, ubuntu-20.04)	2m 33s
build (3.6, no, ubuntu-20.04)	2m 24s
build_python_27 (ubuntu-20.04, yes)	2m 31s
build (3.7, yes, ubuntu-20.04)	2m 25s
test_c_linux (0, x64)	56s
test_c_windows (x64)	34s
build (3.7, no, ubuntu-20.04)	2m 22s
build_python_27 (ubuntu-20.04, no)	2m 29s
test_c_linux (0, x32)	1m 11s
test_c_windows (win32)	38s
build (3.8, yes, ubuntu-20.04)	2m 16s
test_c_linux (1, x64)	53s
build_python_27 (windows-latest, yes)	3m 48s
build (3.8, no, ubuntu-20.04)	2m 19s
build_python_27 (windows-latest, no)	4m 11s
test_c_linux (1, x32)	1m 5s
build (3.9, yes, ubuntu-20.04)	2m 18s
build (3.9, no, ubuntu-20.04)	2m 14s
build (3.10, yes, ubuntu-20.04)	2m 15s
build (3.10, no, ubuntu-20.04)	2m 10s
build (3.11, yes, ubuntu-20.04)	1m 54s
build (3.11, no, ubuntu-20.04)	1m 54s
build (3.12, yes, ubuntu-20.04)	2m 0s
build (3.12, no, ubuntu-20.04)	2m 6s
build (3.13-dev, yes, ubuntu-20.04)	2m 6s
build (3.13-dev, no, ubuntu-20.04)	2m 15s
build (3.12, yes, macos-12)	3m 12s
build (3.12, no, windows-latest)	4m 12s
build (3.12, yes, windows-latest)	4m 7s
build (pypy2.7, no, ubuntu-latest)	1m 30s
build (pypy3.9, no, ubuntu-latest)	1m 37s
	1h 12m 4s

Provide feedback