# my_dict={1: 1, 2: 4, 3: 9, 4: 16, 5: 25, 6: 25,11:4}
# my_dict_2=my_dict.copy()
# list_values=list(my_dict_2.values())
# double_value=0
# for value in list_values:
#     if list_values.count(value)>1:
#         double_value=value
#         for key in my_dict:
#             value_my_dict=my_dict[key]
#             if double_value==value_my_dict:
#                 my_dict_2.pop(key)
#                 list_values = list(my_dict_2.values())
#                 break
# print(my_dict_2)
my_dict={1: 1, 2: 4, 3: 9, 4: 16, 5: 25, 6: 25,11:4,9:25}
dict_2={}3
for key in my_dict:
    if my_dict[key] not in dict_2.values():
        dict_2.update({key:my_dict[key]})
print(dict_2)
