The given code creates a set from a list containing duplicate elements and then prints the length of the set. Let's analyze it step-by-step:
data = set([1, 2, 2, 3, 3, 3, 4, 4, 4, 4])
This creates a set from the list [1, 2, 2, 3, 3, 3, 4, 4, 4, 4].
Since sets do not allow duplicate elements, the resulting set will be {1, 2, 3, 4}.
print(len(data))
This prints the length of the set data.
The set {1, 2, 3, 4} has 4 unique elements.
Therefore, the expected output of the code is:
4
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hovnival
1 day, 22 hours agochristostz03
4 months, 1 week ago