chatgpt에게 물어보니, 질문에 맞는 대답은 아니지만, 어떻게든 결과물은 만들어내네요. 원래 코드의 의도를 이해한다는 점이 놀랍네요.

\documentclass[11pt]{standalone}

 

\usepackage{kotex}

 

\usepackage{mathtools}

 

\usepackage{tikz}

 

\usepackage{tkz-euclide}

 

\usetikzlibrary{calc,math,angles,positioning,intersections,decorations.markings,backgrounds}

 

\begin{document}

 

\begin{tikzpicture}[scale=1]

 

% Define the outer square

\path (0,0) coordinate (A);

\path (4,0) coordinate (B);

\path (4,4) coordinate (C);

\path (0,4) coordinate (D);

 

% Draw the outer square

\draw (A)--(B)--(C)--(D)--cycle;

 

% Define the coordinates of the inner square

\coordinate (E) at ($(A)!0.5!(B)$);

\coordinate (F) at ($(B)!0.5!(C)$);

\coordinate (G) at ($(C)!0.5!(D)$);

\coordinate (H) at ($(D)!0.5!(A)$);

 

% Draw the inner square

\draw (E)--(F)--(G)--(H)--cycle;

 

\end{tikzpicture}

 

\end{document}