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My language is written in this way so that there is a signal. Print and output once.

Author: Ally, Created: 2022-04-24 11:49:08, Updated:

When the signal is triggered, print and output once.

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Ally22 lines of info where I know it's wrong, how to get a signal and print out the specified information.

Inventors quantify - small dreams OK。

AllyWell, that's settled.

Inventors quantify - small dreamsWhat's up? INFO (conditions, data to be printed); What's up? If the condition is true, it will be printed, otherwise it will not be printed.