Removing Duplicates from an Array in Perl

When working with arrays in Perl, you might encounter situations where you need to remove duplicate elements. Perl, with its versatile data structures, offers several ways to accomplish this task. Let’s explore different approaches to remove duplicates from an array, demonstrating the flexibility and power of Perl.

Approach 1: Using a Hash to Filter Unique Elements

One of the simplest and most efficient ways to remove duplicates from an array is by using a hash. Hashes in Perl inherently prevent duplicate keys, which makes them ideal for this task.

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