把 b中的字段整合到a上

a = [{"id": 1, "data": 1}, {"id": 2, "data": 1}, {"id": 3, "data": 1}, {"id": 4, "data": 1}] b = [{"id": 1, "key": 1}, {"id": 2, "key": 2}, {"id": 3, "key": 3}, {"id": 4, "key": 4}] count = 0 for i in

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