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## List box input

This input dialog is designed to let the user select more than one option from a list of options, and it is started with the ``-b'' flag. It is run almost exactly the same way as the list input, except for two differences. First, the ``-E'' option does not work, so the user can only select from the list that you supply. Second, since it allows the user to select more than one option, its output can be a little different. If the user selects only one entry, the behavior is the same, but if the user selects more than one, each string that they selected is output to the console, one per line.