program testio(input, output); var work :array[1..20] of char; doesit :boolean; i, j :integer; r :real; begin work := 'This program works? '; doesit := true; r := 31.4159; i := 10; j := 25; writeln('i = ',i,' ':3,'j = ':1,j:1); writeln('r = ',r,' 2 * r = ',2*r); write('also r = ',r:1,' and r = ',r:10); writeln(' finally r = ',r:7:3); writeln('and r = ',r:j:i); writeln(work,doesit); writeln(work:i,doesit:i); writeln(work:j,doesit:1); j:=2; writeln(work:5,doesit:j); end.