一种方法是：
data = collections.defaultdict(list)for i in my_list: data[i['name']].append(i['score'])output = [{'name': i, 'score': max(j)} for i,j in data.items()]因此输出将是：
[{'score': 2, 'name': 'Baz'}, {'score': 3, 'name': 'Foo'}, {'score': 3, 'name': 'Bar'}]
