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function_tracing1

Language/Type: C function basics
Author: Allison Obourn (on 2020/09/14)

What is the output of the following code?

void message1() {
    printf("7 ");
}

void message2() {
    printf("5 ");
    message1();
    printf("6 ");
}

int main() {
    message1();
    message2();
    printf("4 ");
    return 0;
}
Output:

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