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  1. or download this
    sub test{ 
      my $i = shift; 
      my $params = shift;  
    ...
      print "i = $i test after defaulting to i:\t$test\n";
    } 
    for my $i (3..5){ &test($i) }
    
  2. or download this
    test1 after hash assignment:
    i = 3    test1 after defaulting to i:    3
    ...
    i = 4    test1 after defaulting to i:    3
    test1 after hash assignment:        3
    i = 5    test1 after defaulting to i:    3