numbers = {1, 2, 1, 2, 1, 2, 3}
print(len(numbers))
for i in numbers:
    print(i)

df555716cb8faca0f8137dc1d094e38eb32016cc
<mask token>

<mask token>
print(len(numbers))
for i in numbers:
    print(i)

numbers = {1, 2, 1, 2, 1, 2, 3}
print(len(numbers))
for i in numbers:
    print(i)
