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Joe=>{ A=>{ 1=> { [85,80],[90,99] } ... } } Rob => continue as above
#!/usr/bin/perl ... Rob,A,1,64,77 Rob,B,2,20,32
Joe,A,1,85,90 Joe,A,1,80,99 ... Total 64,77 Rob,B,2,20,32 Total 20,32