预测分组统计的结果
运行下面的 Python 3 程序，填写结果。
people = [{"name": "小明", "city": "北京"},
{"name": "小红", "city": "上海"},
{"name": "小刚", "city": "北京"}]
counts = {}
for p in people:
c = p["city"]
counts[c] = counts.get(c, 0) + 1
print(counts)
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