Error handling in Perl Web application

5 pts.
Tags:
Error handling
Perl
Perl error handling
Web applications
Web development
here is my problem, im working with online exam , i have a doubt that when the questions start displaying ,if i doesnt click any of the option(answers), there should be a msgbox saying choose one option(answer) and should allow to select option after displaying msgbox. pls send the reply with coding. Regards DS

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