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module5_multiplication_game.m

+disp('Welcome to multiplication game!')
+disp('(Empty to quit)')
+
+s = 'start';
+while numel(s)>0
+    a = randi([0, 9]);
+    b = randi([0, 9]);
+    s = input([num2str(a),'*',num2str(b),'='],'s');
+    p = str2num(s);    
+    if isempty(p) && ~isempty(s)
+        disp("I don't understand that.")
+    elseif p == a*b
+        disp('Good job!')
+    else
+        disp('Oh, no, try again.')
+    end
+end
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