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Answers and rating deltas for

What does `**` mean in the expression `dict(d1, **d2)`?

Author Votes Δ
Thomas Wouters 20 +1.20
mechanical_meat 7 +0.53
Mark Byers 3 -0.81
mantrapeze 3 +0.36
ghostdog74 1 -0.69
Sridhar Iyer 1 -2.27
Last visited: Sep 14, 2014, 5:07:29 AM