each function returns both key and value in a hash

   

$hash{fruit} = orange;
$hash{sandwich} = club;
$hash{drink} = lemonade;
while (($key, $value) = each %hash ) {
    print "$key: $value\n";
}

1.	Each function:
2.	The each function returns, in random order, a two-element array: the key and the value of a hash.
3.	Using each to get key and value pair from hash
4.	Using the each operator to extract a key/value pair as a list from the hash

each function returns both key and value in a hash : each « Hash « Perl