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Task: Check if a Specific Key is Present in a Ruby Hash

Task: Check if a Specific Key is Present in a Ruby Hash: a task in Terminal-Lego-15k (Harbor dataset). In Ruby programming, it's common to need to check whether a specific key exists in a hash, regardless of whether its value is nil or not. This is different from simply checking if hash key…

The task

In Ruby programming, it's common to need to check whether a specific key exists in a hash, regardless of whether its value is `nil` or not. This is different from simply checking if `hash[key]` returns a truthy value, as that would return `false` for keys with `nil` values.

Part of PrimeIntellect/Terminal-Lego-15k.