CodingBat scottm@cs.utexas.edu cs305j-set5 doubleChar

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scottm@cs.utexas.edu cs305j-set5 > doubleChar
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Given a string, return a string where for every char in the original, there are two chars.

doubleChar("The") → "TThhee"
doubleChar("AAbb") → "AAAAbbbb"
doubleChar("Hi-There") → "HHii--TThheerree"

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