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@numberMutation = split(/\C/,$_);
@array = qw(one two three); # @array contains "one", "two" and "three" @array = qw(four five); # @array now contains just "four" and "five"
@array = qw(one two three); # @array now contains "one", "two" and "three" push(@array, qw(four five)); # @array now contains "one", "two", "three", "four" and "five"