# 只用一次print()方法来打印 result_dict = { "Allen": ["red", "blue", "yellow"], "Tom": ["green", "white", "blue"], "Andy": ["black", "pink"], } print('\n'.join([j for i in [[f"{k}'s favorite colors are:"] + [i for i in v] for k, v in sorted(result_dict.items())] for j in i]))