155 \;\textit{AExp}\; \code{do} \textit{Block} 

   155 \;\textit{AExp}\; \code{do} \textit{Block} 

   156 \end{center}

   156 \end{center}

   157 

   157 

   158 \noindent The intended meaning is to first assign the variable

   158 \noindent The intended meaning is to first assign the variable

   159 \textit{Id} the value of the first arithmetic expression, test

   159 \textit{Id} the value of the first arithmetic expression, test

   161 second arithmetic expression. If yes, go through the loop, and

   161 second arithmetic expression. If yes, go through the loop, and

   162 at the end increase the value of the loop variable by 1 and

   162 at the end increase the value of the loop variable by 1 and

   163 start again with the test. If no, leave the loop. For example

   163 start again with the test. If no, leave the loop. For example

   164 the following instance of a \code{for}-loop is supposed to

   164 the following instance of a \code{for}-loop is supposed to

   165 print out the numbers \pcode{2}, \pcode{3}, \pcode{4}.

   165 print out the numbers \pcode{2}, \pcode{3}, \pcode{4}.