What is the output of the following code snippet?

Question

BlackTom AI · Accepted Answer

To start, let's parse the code's logic step by step and see how the value of y=2000 is evaluated by the conditional checks.
Option A: 'None of the others' would be correct only if none of the explicit branches produced output, which isn't the case here because a specific branch will execute.
Option B: 'Error' would imply a syntax or runtime exception is raised. The code uses valid Python syntax for modulus operations and if/elif/else blocks, so no error should occur.
Option C: 'Yes' is the outcome produced by the final else clause. Since 2000 is divisible by 4, the first if condition (y%4 != 0) is false. Then 2000 is also divisible by 100, so the second condition (y%100 != 0) is false. Finally, 2000 is divisible by 400 as well, making the third condition (y%400 != 0) false. When all prior conditions fail, the code executes the else block and prints 'Yes'.
Option D: 'No' would have been printed if one of the earlier conditions evaluated to true (for example, if y%4 != 0 or y%100 != 0 or y%400 != 0) and thus would not reach the final else. But in this case, none of those conditions hold, so 'No' is not printed.
Overall, the only statement that aligns with the program’s control flow for y=2000 is Option C: Yes.

What is the output of the following code snippet?

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