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Answers and rating deltas for
Why does this code return an array of undefined values along with the other values?
| Author | Votes | Δ |
|---|---|---|
| CertainPerformance | 4 | +0.91 |
| Dinsdale Trelawney | 1 | +1.66 |
| Maheer Ali | 1 | +0.32 |
| Eddie | 0 | -1.44 |
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