题解 | #记录喜好的字典#

my_dict = {
   "NiuNiu": "Java",
    "NiuMei": "Python",
    "Niukele": "CPP",
    "NiuNeng": "Python",
    "Tony": "Java",
    "Anna": "CPP",
    "Allen": "CPP"
}
language = input()
my_list = []
for key, value in my_dict.items():
    if  language == value:
        my_list.append(key)

if my_list == []:
    print("Nobody")
if my_list != []:
    print(my_list)