
    Write a function to determine if each student's assessment scores represent unique performance levels, ensuring the evaluation system effectively differentiates student capabilities. The function should analyze a sequence of assessment scores and verify that no score appears more than once, helping identify whether the assessment tool provides distinct measurements of student achievement.
    

    
def all_unique(test_list):
    """
    Write a function to determine if each student's assessment scores represent unique performance levels, ensuring the evaluation system effectively differentiates student capabilities. The function should analyze a sequence of assessment scores and verify that no score appears more than once, helping identify whether the assessment tool provides distinct measurements of student achievement.
    

    """
def all_unique(test_list):
    """
    Write a function to determine if each student's assessment scores represent unique performance levels, ensuring the evaluation system effectively differentiates student capabilities. The function should analyze a sequence of assessment scores and verify that no score appears more than once, helping identify whether the assessment tool provides distinct measurements of student achievement.
    

    """
    if len(test_list) > len(set(test_list)):
        return False
    return True