looping statements

 while loop.

        REPORT ZWHILE_PROGRAM.

        data var type i value 1.
        while var <= 10.
          write: / var.
          var = var + 1.

        endwhile.

Do loop.
      
  REPORT ZDO_PROGRAM.
        data var type i value 1.
        do 10 times.
         write: var.
         add 2 to var.
        enddo.

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