ipywidget 설정중 에러

ERROR : Please install Node.js and npm before continuing installation

->sudo apt-get update

->sudo apt-get install npm

->sudo apt-get install -y nodejs

->nodejs 버전이 오래됬다고 나오면

->curl -sL https://deb.nodesource.com/setup_14.x | sudo -E bash -

->sudo apt-get upgrade nodejs

->jupyter labextension install @jupyter-widgets/jupyterlab-manager