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    Answers and rating deltas for
    How to chain attribute lookups that might return None in Python?
| Author | Votes | Δ | 
|---|---|---|
| jeffknupp | 5 | +4.63 | 
| mgilson | 3 | -0.06 | 
| TAS | 1 | -0.56 | 
| reubano | 0 | 0.00 | 
| David Hull | 0 | -3.33 | 
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