That’s a clear breakdown—kind of like filtering out what’s useful for your code the same way you’d choose the right supplements for blood pressure support in a health routine.

In Ruby, hashes allow adding key-value pairs using hash[key] = value, deleting with delete(key), and selecting entries using methods like select or reject. These operations make hashes flexible for dynamic data management. Cricbet99 Green Login

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Try this-

hackerrank.store(543121, 100)

hackerrank.keep_if { |key, value| key.is_a?(Integer) }

hackerrank.delete_if { |key, value| key.even? }

This challenge really needs to be reviewed. The description is poor and confusing and contradicts the actual code provided.

Also, holy spam alert. Is anyone actually reviewing/seeing what's happening in the comments section? What a trash fire.