Because the -g option is specified from the command line, the hash table is generated in global scope.
由于命令行中指定了- g选项，将在全局范围内生成散列表。
2
G. has the journalist's knack for the pithy and memorable line, combined with an admirable respect for the messy and endlessly disputed nature of the human world.
文笔言简意赅，令人难忘，外加上对人类世界混乱，永远存在争议的人类世界的敬重，有记者一样的习惯。
3
Line 1 declares your graph, called g, and its type (a digraph).