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Solve: Two Char

Imported By: Geoffrey Challen
/ Version: 2021.6.0

Given a String and an int index, return the substring of length 2 starting at the given index in the passed String. If the index is too big or too small to define a valid substring, use the first 2 characters. The string length will be at least 2.

String twoChar(String str, int index) {
return ""; // You may need to remove this starter code

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