3.2 Write a complete program that reads a list of student names and marks from a text file called students.txt. Each line of the file contains a name and a mark separated by a comma. The program should:

• Open the file for reading.
• Read each line and split it into name and mark.
• Convert the mark to an integer.
• Determine whether the student has passed (mark ≥ 50).
• Print the result for each student.
• Handle file not found and data conversion errors using exception handling. [25 Marks]