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Answers and rating deltas for
How to use map and grep in Perl for following data
| Author | Votes | Δ |
|---|---|---|
| TLP | 2 | +0.74 |
| Grokify | 1 | +2.37 |
| glenn jackman | 0 | -0.42 |
| Borodin | 0 | -0.52 |
| mkHun | 0 | -0.78 |
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