code: def mk_example():
      
      T = 5
      _,f,c,d,h = multidict({
          1 :  [3,1,5,1],
          2 :  [3,1,7,1],
          3 :  [3,3,3,1],
          4 :  [3,3,6,1],
          5 :  [3,3,4,1],
          })
  
      return T,f,c,d,h
docs: mk_example: book example for the single item lot sizing