# middle_two Given a string of even length, return a string made of the middle two chars, so the string "string" yields "ri". The string length will be at least 2. This exercise was taken from [codingbat.com](https://codingbat.com/prob/p137729) and has been adapted for the Python language. There are many great programming exercises there, but the majority are created for Java. ### Test 1 **Input:** ``` 'string' ``` **Output:** ``` 'ri' ``` ### Test 2 **Input:** ``` 'code' ``` **Output:** ``` 'od' ``` ### Test 3 **Input:** ``` 'Practice' ``` **Output:** ``` 'ct' ``` ### Test 4 **Input:** ``` 'ab' ``` **Output:** ``` 'ab' ``` ### Test 5 **Input:** ``` '0123456789' ``` **Output:** ``` '45' ```