If you

use strict;
use warnings;
[download]

you would have spotted most of the issues yourself.

$amastringsentback3=@amagotback[0];
[download]

would be better written as:

$amastringsentback3=$amagotback[0];
[download]

but that still would not work, because the array @amagotback is not exported by the module, so it would use a package variable in main.

The following:

use warnings;
use strict;

use LWP::Simple;
use LWP::Simple qw( $ua get );
use LWP::UserAgent;
use HTTP::Request::Common qw(POST);

#use Price_calc;
use Price_calc qw(@amagotback $amastringsentback1 $amastringsentback2 
+@amaglobal $amastringsentback);

my $amastringsent = 'hello module';
Price_calc::get_ama($amastringsent); # And then some attempted trys to
+ get value returned by Price_calc::get_ama

$amastringsentback1=$Price_calc::amastringsentback;
$amastringsentback2=shift;
#$amastringsentback3=@amagotback[0];
my $amastringsentback3=$amagotback[0];


print "DATA: $amastringsentback  - $amastringsentback1 - @amaglobal - 
+$amastringsentback3 - $Price_calc::amastringsentback" ;

-----------------------------------

package Price_calc;

use LWP::Simple;
use LWP::Simple qw( $ua get );
use LWP::UserAgent;
use HTTP::Request::Common qw(POST);
use strict;
use warnings;

use Exporter;
our @ISA = qw(Exporter);

our (@amagotback, $amastringsentback1, $amastringsentback2, @amaglobal
+, $amastringsentback);
our @EXPORT_OK = qw(@amagotback $amastringsentback1 $amastringsentback
+2 @amaglobal $amastringsentback);


sub get_ama {
    #do stuff ## THE CODE WORKS FINE JUST WONT REUTRN VALUES.
    $amastringsentback = 42;
    #@amagotback[0]=$amastringsentback;
    $amagotback[0]=$amastringsentback;
    return $amastringsentback;
}

1;
[download]

prints:

DATA: 42  - 42 -  - 42 - 42
[download]

---

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