How to parse excel files having multiple tables with different number of elements?

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use strict;
use Spreadsheet::ParseExcel;
...
print("\n");
}

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EXCEL FILE 1 :
S.Name   IQ    Sports    P.Name   IQ    sports
...
Vishal    x       x     Mr. Jha    x     x
Jasen     x      x      Mr. kumar  x     x
Garry     x      x

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ERROR :
can't call method "value" on an undefined value

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