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Answers and rating deltas for
What is the purpose of `or None` in this code?
| Author | Votes | Δ |
|---|---|---|
| Mark Tolonen | 3 | 0.00 |
Last visited: Oct 27, 2017, 7:18:27 AM
| Author | Votes | Δ |
|---|---|---|
| Mark Tolonen | 3 | 0.00 |