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Changes: -0+0unchanged: 0
1
--function calculateSum(a, b) {
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++function calculateSum(a, b, c = 0) {
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-- // Add two numbers
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++ // Add two or three numbers
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-- return a + b;
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++ return a + b + c;
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}
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5
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--// Log the result
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++// Log the result with different values
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console.log(calculateSum(5, 10));
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++console.log(calculateSum(5, 10, 15));