1  # Step 1: Ensure that NPM is installed on your system. Then install mermaid-js.
2  npm --version
3  sudo npm install -g @mermaid-js/mermaid-cli
4  
5  # Step 2: Ensure that Python 3.9+ is installed on your system. You can check this by using:
6  python --version
7  pip install -e .