Recommending running the .ipynb file in Colab, will need to input Kaggle Username and API Key in first cell to get data.
To run other file, cvPyTorch.py, nned to install sklearn, numpy, torch, matplotlib, mediapipe, and opencv-python. Then, just run
python3 cvPyTorch.pyto see results. Will first train model, show a training curve, then will activate the camera and look to detect hands and output the letter.
Make sure the .npy files are in the same directory as cvPyTorch.py, then run from that directory.