What happens when you return a reference to a private variable?

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Perl uses single or double quotes to surround a zero or more characters. Are the single(' ') or double quotes (" ") identical?

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Explain lists and ivalue?

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What is the tk module?

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write a script to generate n prime no.s?

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what is perl language?

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How can information be put into hashes?

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How can you define “my” variables scope in Perl and how it is different from “local” variable scope?

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package MYCALC; use Exporter; our @EXPORT = (); our @ISA = qw(Exporter); our @EXPORT_OK = qw(addition multi); our %EXPORT_TAGS = (DEFAULT => [qw(&addition)],Both => [qw(&addition & +multi)]); sub addition { return $_[0] + $_[1]; } sub multi { return $_[0] * $_[1]; } 1; Program: use strict; use warnings; my @list = qw (2 2); use Module qw(:DEFAULT); print addition(@list),"\n"; Above coding is my module MYCALC and the program which using this module, I have not exported any function using @EXPORT, but I have used the DEFAULT in %EXPORT_TAGS with the function addition, when I call this function from the main it says the error as,

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What is the peculiarity of returning values by subroutines in perl?

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There are two types of eval statements i.e. Eval expr and eval block. Explain them.

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How will you get the count of parameters passed to a perl subroutine?

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