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  1. or download this
    >perl -MO=Concise -e"@a = (1,2,3,4);"
    ...
    -        <1> ex-list lKP ->8    <-- "l" for list context
    ...
    
  2. or download this
    >perl -MO=Concise -e"$a = (1,2,3,4);"
    ...
    5        <@> list sKP ->6       <-- "s" for scalar context
    ...
    
  3. or download this
    >perl -MO=Concise -e"(1,2,3,4); 1"
    ...
    4     <@> list vKP ->5          <-- "v" for void context
    ...