执行中断返回指令；

Execute a Return from Interrupt instruction;

youdao

如果测试失败，就报告错误消息，指出故障点，同时程序执行中断。

If a test fails, an error message is reported, indicating the point of failure, and program execution halts.

youdao

此时，break语句导致程序执行中断while循环，跳转到else子句。

At this point, the break statement causes program execution to break out of the while loop, skipping the else clause.

youdao