dic = {90373544:5 , 905043:4 , 444445: 1 , 234235:2, 245435:5}max(dic , key=dic.get)dic = {90373544:5 , 905043:4 , 444445:1 , 234235:2, 245435:5}
max_val = max(dic.values())
print([k for k,v in dic.items() if v == max_val])