题解 | #记录喜好的字典#

mydict={
    'NiuNiu':'Java',
    'NiuMei':'Python',
    'Niukele':'CPP',
    'NiuNeng':'Python',
    'Tony':'Java',
    'Anna':'CPP',
    'Allen':'CPP'
}
language=input()
list0=[]
for key, value in mydict.items():
    if value==language:
        list0.append(key)
		
if len(list0)==0:
    print("Nobody")
else:
        print(list0)