simply install froog onto your local computer by entering the following into your terminal
git clone https://github.com/kevbuh/froog.git
once that has been completed, go into the folder
cd froog
one more step! froog is built with NumPy, which allows for general matrix operations. Make sure to install numpy by doing
pip3 install -r requirements.txt
once done, you're all ready to go! you can now resume the tutorial