Unterabschnitt Variablen Pascal

program exSubrange;
var
marks: 1 .. 100;
grade: 'A' .. 'E';
begin
 writeln( 'Enter your marks(1 - 100): ');
 readln(marks);
 writeln( 'Enter your grade(A - E): ');
 readln(grade);
 writeln('Marks: ' , marks, ' Grade: ', grade);
end.
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