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JavaScript One Solution

Why did this practice came after finishing functions when this practice speaks about " arrays "?

We didnt even get into Arrays but why did this practice came after finishing functions in front end web development when this practice speaks about " arrays "? I feel like it's too soon for this.

But this was back in 2018 compared to 2022 and template literal practice the same time as array? Was there something I missed back in 2022 that template literal became something new after learning array?