# shift_left Return a list that is "left shifted" by one -- so {6, 2, 5, 3} returns {2, 5, 3, 6}. You may modify and return the given list, or return a new list. This exercise was taken from [codingbat.com](https://codingbat.com/prob/p105031) 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:** ``` [6, 2, 5, 3] ``` **Output:** ``` [2, 5, 3, 6] ``` ### Test 2 **Input:** ``` [1, 2] ``` **Output:** ``` [2, 1] ``` ### Test 3 **Input:** ``` [1] ``` **Output:** ``` [1] ``` ### Test 4 **Input:** ``` [] ``` **Output:** ``` [] ``` ### Test 5 **Input:** ``` [1, 1, 2, 2, 4] ``` **Output:** ``` [1, 2, 2, 4, 1] ``` ### Test 6 **Input:** ``` [1, 1, 1] ``` **Output:** ``` [1, 1, 1] ``` ### Test 7 **Input:** ``` [1, 2, 3] ``` **Output:** ``` [2, 3, 1] ```