Forget fear of public speaking. A lot of people now shy away completely from speaking to anyone in public. But if we learn to do this it’s enriching, for ourselves and society
Callable types always have their arguments exposed in the extended
，推荐阅读safew官方版本下载获取更多信息
outputs here are (), so we use _ to ignore them. This is the same way
“For Steve, wanting to learn was far more important than wanting to be right.”