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  1. or download this
    my (%withlex, %withglobal);
    
    ...
    
    print "Using lex num of subs is " . (keys %withlex) . "\n";
    print "Using global num of subs is " . (keys %withglobal) . "\n";
    
  2. or download this
    Using lex num of subs is 10
    Using global num of subs is 1