之前一直傻傻分不清(n,1)和(n,)之间的区别,这里做一下总结,希望度过此文章的小伙伴都能明白。
this is my code: def a(): print \'sss\' @a() def b(): print \'aaa\' b() and the Tracebackis: sss Traceback (most recent call last):