# end_up Given a string, return a new string where the last 3 chars are now in upper case. If the string has less than 3 chars, uppercase whatever is there. Note that str.toUpperCase() returns the uppercase version of a string. This exercise was taken from [codingbat.com](https://codingbat.com/prob/p125268) 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:** ``` 'Hello' ``` **Output:** ``` 'HeLLO' ``` ### Test 2 **Input:** ``` 'hi there' ``` **Output:** ``` 'hi thERE' ``` ### Test 3 **Input:** ``` 'hi' ``` **Output:** ``` 'HI' ``` ### Test 4 **Input:** ``` 'woo hoo' ``` **Output:** ``` 'woo HOO' ``` ### Test 5 **Input:** ``` 'xyz12' ``` **Output:** ``` 'xyZ12' ``` ### Test 6 **Input:** ``` 'x' ``` **Output:** ``` 'X' ``` ### Test 7 **Input:** ``` '' ``` **Output:** ``` '' ```