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#!/usr/bin/perl
                use warnings;
                use strict;  
                          
        my $lines=<>;
                $_ = $lines ;
     
        my $count = () = $_=~ m/TGACG/g£»
                        print "The number of occurrences  $count\n";
                        print "The position are \n";
                while( $_ =~ /TGACG/g ) {
      print @+, "\n" ;
                }
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