
    Create a function that calculates the combined score of the highest and lowest performing students in a class to determine the total achievement gap that needs to be addressed through personalized learning materials. The function should take an array of student assessment scores as input and return the sum of the maximum and minimum scores.
    

    
def big_sum(nums):
    """
    Create a function that calculates the combined score of the highest and lowest performing students in a class to determine the total achievement gap that needs to be addressed through personalized learning materials. The function should take an array of student assessment scores as input and return the sum of the maximum and minimum scores.
    

    """
def big_sum(nums):
    """
    Create a function that calculates the combined score of the highest and lowest performing students in a class to determine the total achievement gap that needs to be addressed through personalized learning materials. The function should take an array of student assessment scores as input and return the sum of the maximum and minimum scores.
    

    """
    sum = max(nums) + min(nums)
    return sum