<commit_before>#### Implemented Visualizations

* **Stack** data structure
  * abstraction
  * implementation based on linked list
  * ~~implementation based on array~~ (soon)<commit_msg>Update README to reflect array-based implementation<commit_after>#### Implemented Visualizations

* **Stack** data structure
  * abstraction
  * implementation based on linked list
  * _initial_ implementation based on array
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{'dir': 'git-commits-cleaned', 'id': '29961', 'n_tokens_mistral': 103, 'n_tokens_neox': 96, 'n_words': 38}