eintr: print-Y-axis

 
 C.2 The ‘print-Y-axis’ Function
 ===============================
 
 The job of the ‘print-Y-axis’ function is to print a label for the
 vertical axis that looks like this:
 
          10 -
 
 
 
 
           5 -
 
 
 
           1 -
 
 The function should be passed the height of the graph, and then should
 construct and insert the appropriate numbers and marks.
 

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