testlog.out

:::: Use default logging config
WARNING:root:level 30
ERROR:root:level 40
WARNING:one:level 30
ERROR:one:level 40
::root
::one
end

:::: Configure both root and logger level
INFO:root:level 20
WARNING:root:level 30
ERROR:root:level 40
WARNING:one:level 30
ERROR:one:level 40
::root
::one
end

:::: Configure root level, logger is NOTSET
INFO:root:level 20
WARNING:root:level 30
ERROR:root:level 40
INFO:one:level 20
WARNING:one:level 30
ERROR:one:level 40
::root
::one
end

:::: No root level, logger is NOTSET
WARNING:root:level 30
ERROR:root:level 40
WARNING:one:level 30
ERROR:one:level 40
::root
::one
end