StackRating
An Elo-based rating system for Stack Overflow
Answers and rating deltas for
Write a function called manipulate_data which will act as follows
| Author | Votes | Δ |
|---|---|---|
| David | 1 | +3.23 |
| Steven Moseley | 1 | +0.26 |
| zeatex | 0 | -0.77 |
| GURU | 0 | -0.77 |
| Njoroge | -2 | -3.77 |
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