【例2.2】你好世界

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说明

输出中文短句"你好,世界。"

输入格式

输出格式

你好,世界。

样例

你好,世界。

版纳哨多哩、猫多哩的练习

Not Claimed
Status
Done
Problem
24
Open Since
2025-8-16 0:00
Deadline
2025-8-24 23:59
Extension
24 hour(s)