Tutorial 7 - Jupyter + tikz

%load_ext tikzpics

%%tikz
\begin{tikzpicture}

    % Define the layers library
    \pgfdeclarelayer{0}
    \pgfsetlayers{0}

    % Layer 0
    \begin{pgfonlayer}{0}
        \node[shape=circle, color=white, fill=blue] (node0) at (0, 0) {Hello!};
        \node[shape=circle, color=white, fill=red] (node1) at (5, 0) {Hi!};
        \draw[->, line width=2, color=gray] (node0) to (node1);
    \end{pgfonlayer}{0}
\end{tikzpicture}