2016/11/24

问题

由于是 unknown knowledge

无奈连关键词都不知道组织 ( 它的作用还是知道的: 定义一般形式 )

相关代码

try_stmt ::= try1_stmt | try2_stmt try1_stmt ::= "try" ":" suite ("except" [expression [("as" | ",") identifier]] ":" suite)+ ["else" ":" suite] ["finally" ":" suite] try2_stmt ::= "try" ":" suite "finally" ":" suite

上下文环境

1. Python 官方doc

尝试解决