Question-1: Write a python program that takes a string of even numbered size whose odd indices are the GPA of a student and consecutive even indices hold the marks of that student in different courses. Your work is to print a different list of half the length having values only valid' and 'invalid', depending on the marks and the GPA of the student for each course match based on the following table I MARKS GPA I | 90-100 4 I 80-89 3.3 I 60-791 2.0 1 |