Data structures/arrays/triplet sum (#11134)

* updated code for find triplets with 0 sum

Signed-off-by: Skyad <777.sunnykumar@gmail.com>

* extra line added at the end of file

Signed-off-by: Sunny Kumar <sunny.kumar09@ad.infosys.com>

* extra line added at the end of file

Signed-off-by: Skyad <777.sunnykumar@gmail.com>

* [pre-commit.ci] auto fixes from pre-commit.com hooks

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* file updated with comments

Signed-off-by: Skyad <777.sunnykumar@gmail.com>

* updated the comments as suggested by community

Signed-off-by: Sunny Kumar <sunny.kumar09@ad.infosys.com>

* [pre-commit.ci] auto fixes from pre-commit.com hooks

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* file updated according to community comments

Signed-off-by: Skyad <777.sunnykumar@gmail.com>

* Update find_triplets_with_0_sum.py

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Signed-off-by: Skyad <777.sunnykumar@gmail.com>
Signed-off-by: Sunny Kumar <sunny.kumar09@ad.infosys.com>
Co-authored-by: Sunny Kumar <sunny.kumar09@ad.infosys.com>
Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>
Co-authored-by: Christian Clauss <cclauss@me.com>