You stutter when you talk with continued repetition of sounds almost unknowingly, especially with the initial consonants of a word. Or at times when we're frightened, it causes us to stutter.
Create a function that mimics the stuttering of a spoken word. The function will repeat the first two letters of the word followed by an ellipses (...) plus a space character, for twice in a row, and finally, the word ending with an exclamation point.
stuttering("astonishing") ➞ "as... as... astonishing!"
stuttering("enticing") ➞ "en... en... enticing!"
stuttering("dazzling") ➞ "da... da... dazzling!"String.format which was not introduced and used in the prior similar challenge.String.format, the use of MessageFormat.format is greatly encouraged.