Elance Exams Answers PDF file

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what is the purpose of the `qw` keyword in the following statement: my @array = qw/apple orange grape/;

qw is used to convert all lowercase words to uppercase
it's used to order to array contents
qw is the "quote word" function used to make it easier to quote words, e.g., in generating an array of quoted words.
non of the above
it's used for matching the quoted value
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