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CIW Perl Fundamentals exam Questions 21–25 (page: 6)

Consider the following statement
@array1 = (9, "A", 0..9, "PERL");
Given this statement, @array1 consists of how many elements?

Consider the following program code:
%_Nifty = (one, two, three, four);
@NiftyKeys = sort(keys(%_Nifty));
foreach(@NiftyKeys)
{
print ($_Nifty{$_} . );

}
What is the result of executing this program code?

Consider the following program code
@list - (10..15);
foreach(@list)
{
print("$_ ");
}
What is the result of executing this program code?

In Perl, modules are used for which task?

Consider the following program code
$Animal - "Dogs bark";
package Cat;
$Animal = "Cats purr";
{
package Fish;
$Animal - "Fish swim";
}
package main;
print $Animal;

What is the result of executing this program code?