• ( ... ) = is a list assignment with list context inside the parens

  we have two nested list assignments here

•  my ($x, $y, $z) = qw( 1 2 3 ) is a list assignment

  effect $x=1, $y=2, $z=3

  returns lvalues $x, $y, $z in list context

• ( $x, $y, $z ) = qw( a b c ); is a list assignment

  effect $x="a", $y="b", $z ="c"

  doesn't return because in void context (start statement)

Hints

• If you don't believe it please try it out
• for terminology refer to perlglossary

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