You can run it and see
2020-11-01 00:56:47,618 [INFO] __main__: Hello World!!
2020-11-01 00:56:47,618 [INFO] bar.bar: Hi, bar
2020-11-01 00:56:47,618 [WARNING] bar.bar: bar warning
2020-11-01 00:56:47,618 [INFO] foo.foo: Hi, foo
2020-11-01 00:56:47,618 [DEBUG] foo.foo: foo debug