Kotlin
Java
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Solve: conCat
Given two Strings, concatenate them and return the result.
However, if the concatenation creates a double character where the Strings are joined, then omit one of the
characters. So "abc" and "cat" yields "abcat", not "abccat".
String conCat(String a, String b) {
return ""; // You may need to remove this starter code
}
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