* feat: Implement binary tree path sum (#7135)
* [pre-commit.ci] auto fixes from pre-commit.com hooks
for more information, see https://pre-commit.ci
* Update data_structures/binary_tree/binary_tree_path_sum.py
Co-authored-by: Christian Clauss <cclauss@me.com>
* refactor: Rename `dfs` to `depth_first_search`
Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>
Co-authored-by: Christian Clauss <cclauss@me.com>
