Is your feature request related to a problem? Please describe.
가독성이 떨어져서 f-string 으로 바꾸면 성능도 더 좋아지고, 가독성도 좋아질 것 같습니다.
"Key with name '{0}' with type '{1}' was found.".format(retrieved_key.name, retrieved_key.key_type)
Describe the solution you'd like
"Key with name f'{retrieved_key.name}' with type f'{retrieved_key.key_type}' was found."
Describe alternatives you've considered
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Additional context
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