Question: Extra Credit: Given a string, return a string where for every char in the original, there are two chars. For example doubleChar(The) TThhee doubleChar(AAbb) AAAAbbbb

Extra Credit: Given a string, return a string where for every char in the original, there are two chars. For example doubleChar("The") "TThhee" doubleChar("AAbb") "AAAAbbbb" doubleChar("Hi-There") "HHit--TThheerree

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