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What will I learn?

In this puzzle, you have to split a string into separate parts, compare them, and recognize similar strings using a case-insensitive algorithm.

You also have to create and use an associative array and go through a large dataset of elements.

Learning Opportunities

This puzzle can be solved using the following concepts. Practice using these concepts and improve your skills.


Back to basics with this puzzle where you have to associate file names with their MIME type.

A higher resolution is required to access the IDE


So many files, so little time... Let's tidy things up!