%% 
%% This is file `ansexam1.tex',
%% generated with the docstrip utility.
%% 
%% The original source files were:
%% 
%% answers.dtx  (with options: `ex1')

\documentclass[12pt,a4paper]{article}
\usepackage{answers}
\Newassociation{sol}{Solution}{ans}
\newtheorem{ex}{Exercise}
\begin{document}
\Opensolutionfile{ans}[ans1]
\section{Problems}
\begin{ex}
   First exercise
   \begin{sol}
      First solution.
   \end{sol}
\end{ex}
\begin{ex}
   Second exercise
   \begin{sol}
      Second solution.
   \end{sol}
\end{ex}
\Closesolutionfile{ans}
\section{Solutions}
\input{ans1}
\end{document}
\endinput
%% 
%% End of file `ansexam1.tex'.