创建字典result_dict

result_dict = {
    'Allen': ['red', 'blue', 'yellow'],
    'Tom': ['green', 'white', 'blue'],
    'Andy': ['black', 'pink']
}

使用两次for循环进行信息打印

for m, n in sorted(result_dict.items()):
    print("%s's favorite colors are:" % m)
    for o in n:
        print(o)