scalar((1,3,5))     #evaluates to the last element of the list --- 5
if( (5,3,0) )       #evaluates to the last element of the list --- 0, thus evaluates to FALSE
$val=(5,6,7);       #evaluates to the last element of the list --- 7

##</code><code>##

$ret = (($i, $j, $k)=(5,6,8,9));        #evaluates to the number of elements on the right side list --- 4
if( ($k, $v) = ( 1, 0 ) )               #evaluates to the number of elements on the right side list --- 2, thus evaluates to TRUE
while ( ($key, $value) = each %map )    #still evaluates to the number of elements on the right side hash

##</code><code>##

if( ($k, $v) = ( 1, 0 ) )