Question 3. We want to implement a flex like system to carry information about students and the courses they are currently enrolled in. The input data will be present in two text files called student.txt and courses.txt. The structure of the student.txt file will be (rollnumber, name, date of birth , batch, major) as shown below: 18L-1112, Ali Maqsood, 02-feb-2000, 20, CV 19L-2113, Haider Saqib, 31-Mar-1999, 19, CS 20L-1111, Fatima Ahmed, 01-Jan-2000, 20, EE The structure of the courses.txt file will be (rollnumber, course code, coursename, credit hours) 18L-1112, CV314, Soil Mechanics, 3 19L-2113, CS210, Data Structures, 3 19L-2113, CS213, Databases, 3 LOL 2112 Csa17

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