Fix a typo

Author: kojix2

handout-beginner.tex

@@ -233,7 +233,7 @@ \subsection*{\rmfamily Organize}
 \begin{lstlisting}[belowskip=-\baselineskip]
  X = np.linspace(0,10,100)
  Y1, Y2 = np.sin(X), np.cos(X)
- ax.plot(X, Y1, Y2)
+ ax.plot(X, Y1, X, Y2)
 \end{lstlisting}
 & \raisebox{-0.75em}{\includegraphics[width=\linewidth]{plot-multi.pdf}}
 \end{tabular}