my @temp = @arr1;
push @temp,@arr2;
print $_ for @temp;

##</code><code>##

print @$_ for ( [ 'a' .. 'e' ], [ 0 .. 4 ] );

##</code><code>##

print @$_ for \@arr1, \@arr2

##</code><code>##

print $_ for (map { @$_ } \@arr1, \@arr2);