Your question is Unique Triplets Sum to Target. Start with the requirements on the right.
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Unity's runtime tooling may need to identify combinations of three values that satisfy a target constraint. Given an integer array nums and an integer target, return every unique triplet [a, b, c] such that a + b + c == target.
Each triplet must use three different array positions, and the result must not contain duplicate value combinations. Return triplets in nondecreasing order, with the complete result sorted lexicographically. If no triplet exists, return an empty list.
Implement three_sum_target(nums, target).
nums, a list of integers, and target, an integer.target.def three_sum_target(nums, target):