Update readme.md

Author: javadev

src/main/kotlin/g1201_1300/s1280_students_and_examinations/readme.md

@@ -102,4 +102,14 @@ Examinations table:
     | 13         | John         | Programming  | 1              | 
     +------------+--------------+--------------+----------------+
 
-**Explanation:** The result table should contain all students and all subjects. Alice attended the Math exam 3 times, the Physics exam 2 times, and the Programming exam 1 time. Bob attended the Math exam 1 time, the Programming exam 1 time, and did not attend the Physics exam. Alex did not attend any exams. John attended the Math exam 1 time, the Physics exam 1 time, and the Programming exam 1 time. 
+**Explanation:**
+
+The result table should contain all students and all subjects.
+
+Alice attended the Math exam 3 times, the Physics exam 2 times, and the Programming exam 1 time.
+
+Bob attended the Math exam 1 time, the Programming exam 1 time, and did not attend the Physics exam.
+
+Alex did not attend any exams.
+
+John attended the Math exam 1 time, the Physics exam 1 time, and the Programming exam 1 time.