
    Write a function that analyzes pairs of student assessment scores (before and after implementing personalized learning paths) to identify the largest improvement or decline in performance across all students. The function should process a list of score pairs, where each pair contains a student's initial and final assessment results, and determine the maximum difference between these scores among all students.
    

    
def max_difference(test_list):
    """
    Write a function that analyzes pairs of student assessment scores (before and after implementing personalized learning paths) to identify the largest improvement or decline in performance across all students. The function should process a list of score pairs, where each pair contains a student's initial and final assessment results, and determine the maximum difference between these scores among all students.
    

    """
def max_difference(test_list):
    """
    Write a function that analyzes pairs of student assessment scores (before and after implementing personalized learning paths) to identify the largest improvement or decline in performance across all students. The function should process a list of score pairs, where each pair contains a student's initial and final assessment results, and determine the maximum difference between these scores among all students.
    

    """
    temp = [abs(b - a) for (a, b) in test_list]
    res = max(temp)
    return res