Time for action—reviewing examinations by using the Calculator step

Can you recollect the exercise about examinations you did in the previous chapter? You created an incremental file with examination results. The final file looked like the following:

--------------------------------------------------------- Annual Language Examinations Testing writing, reading, speaking and listening skills --------------------------------------------------------- student_code;name;writing;reading;speaking;listening;file_processed;process_date 80711-85;William Miller; 81;83;80;90;C:\pdi_files\input\first_turn.txt;28-05-2009 20362-34;Jennifer Martin; 87;76;70;80;C:\pdi_files\input\first_turn.txt;28-05-2009 75283-17;Margaret Wilson; 99;94;90;80;C:\pdi_files\input\first_turn.txt;28-05-2009 ...

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