add samples

README.md

@@ -4,3 +4,9 @@ State changes from the execution of single lines of Python code.
 All code was taken from Python HackerRank solutions.
 
 Scraped from my dataset of traced HackerRank solutions. https://www.kaggle.com/frasergreenlee/ran-hackerrank-solutions
+
+```json
+{"start": "g = 100; i = 1; l = [100, 100, 0, 0, -100, -100]", "code": "g += l[i]", "end": "g = 200; i = 1; l = [100, 100, 0, 0, -100, -100]"}
+{"start": "a = 1; b = 2; d = 4; i = 3; j = 2", "code": "i, j = a + (j - b), b + (d - (i - a))", "end": "a = 1; b = 2; d = 4; i = 1; j = 4"}
+{"start": "b = 15", "code": "b = b // 2", "end": "b = 7"}
+```