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def express_clear(a): express_dict = {} for express in express_list: if express[1][:2] in {'新疆','宁夏'}: express_dict.setdefault(express[1][:2], []).append(f'{express}') else: express_dict.setdefault(express[1][:3], []).append(f'{express}')print(json.dumps(express_dict, indent=4,ensure_ascii=False)) ">