如题又如图
def add(x:int, y:int) -> int: return x + y
答:
是注释。前边的:int也是。见:
https://python3-cookbook.readthedocs.io/zh_CN/latest/c07/p03_attach_informatinal_matadata_to_function_arguments.html
posted on 2020-04-04 17:39 toong 阅读(4792) 评论(0) 编辑 收藏 举报