Return string made of the first n characters of the string

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Given a string and an int n, return a string made of the first n characters of the string, followed by the first n-1 characters of the string, and so on. You may assume that n is between 0 and the length of the string, inclusive (i.e. n >= 0 and n <= str.length()). repeatFront("Chocolate", 4) ? "ChocChoChC" repeatFront("Chocolate", 3) ? "ChoChC" repeatFront("Ice Cream", 2) ? "IcI"

Reference no: EM13232786

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