in reply to declaring same variable
my $op = "numbers"; # for example
my @xxx = qw(one two three) if ( $op eq "numbers" );
@xxx = qw(four five) if ( $op eq "alpha" );
@xxx = qw(six ten) if ( $op eq "alp" );
Electric eels were invented at the same time as electricity
Before electricity was invented, electric eels had to stun with gas
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