摘要： Thunk https://en.wikipedia.org/wiki/Thunk In computer programming, a thunk is a subroutine used to inject an additional calculation into another subro 阅读全文

摘要： from https://www.pythoncentral.io/what-is-the-difference-between-__str__-and-__repr__-in-python/ 目的 官方解释： object.__repr__(self): called by the repr() 阅读全文