% arara: indent: {overwrite: true, silent: on}
\documentclass{article}

% in the preamble
% nothing
% should happend
\foreach \x in {0,1,2,3,4}{
	\foreach \y in {0,1,2,3,4}{
		\foreach \z in {0,1,2,3,4}{
			\fill[black] (\x, \y, \z) circle (0.1);
		}
	}
};
\usepackage{tikz}

\begin{document}
\begin{tikzpicture}
	\foreach \x in {0,1,2,3,4}{
		\foreach \y in {0,1,2,3,4}{
			\foreach \z in {0,1,2,3,4}{
				\fill[black] (\x, \y, \z) circle (0.1);
			}
		}
	};
\end{tikzpicture}
\end{document}

