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  1. or download this
    #!/usr/bin/perl -w
    
    ...
    eval $dump;
    die $@ if $@;
    insert(d => $VAR1);
    
  2. or download this
    Working with the original:
    
    ...
    
    $n is now 101
    d => 101
    
  3. or download this
    #!/usr/bin/perl -w
    
    ...
    eval $dump;
    die $@ if $@;
    insert(d => $VAR1);
    
  4. or download this
    Working with the original:
    
    ...
    Global symbol "$n" requires explicit package name at (eval 8) line 8.
    Global symbol "$n" requires explicit package name at (eval 8) line 9.
    Global symbol "$n" requires explicit package name at (eval 8) line 10.
    
  5. or download this
    #!/usr/bin/perl -w
    
    ...
    eval $dump;
    die $@ if $@;
    insert(d => $VAR1);
    
  6. or download this
    Working with the original:
    
    ...
    
    $n is now 1
    d => 1