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How can I use python itertools.groupby() to group a list of strings by their first character?
| Author | Votes | Δ |
|---|---|---|
| Ignacio Vazquez-Abrams | 8 | +1.57 |
| Pratik Deoghare | 4 | +1.04 |
| SilentGhost | 3 | -0.69 |
| ghostdog74 | 0 | -1.58 |
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