What does borrowing or moving a value from `stdout` mean?

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As an language model AI, I don't have concreate sense of borrowing or moving.

However, in computer programming, stdout refers to the standard output stream, which is where a program prints its output. "Borrowing" or "moving" a value from stdout means copying the output of the program to another location or manipulating it in some way. In some programming languages, such as Rust, borrowing and moving are specific concepts related to memory management and ownership of variables.