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Answers and rating deltas for

How does one join string-type array-items, each with a comma character, except for the last item whi

Author Votes Δ
Peter Seliger 13 +0.97
Yury Tarabanko 4 -0.34
ZaO Lover 3 +1.47
malarres 2 -1.00
netizen 2 -1.14
Vladislav Ladicky 1 -3.43
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