
    Write a function that calculates the sum of the highest and lowest assessment scores to determine the total performance range in a student cohort, which will be used to calibrate the adaptive learning system's difficulty settings. The function should take an array of student scores as input and return a single integer representing the sum of the maximum and minimum scores.
    

    
def big_sum(nums):
    """
    Write a function that calculates the sum of the highest and lowest assessment scores to determine the total performance range in a student cohort, which will be used to calibrate the adaptive learning system's difficulty settings. The function should take an array of student scores as input and return a single integer representing the sum of the maximum and minimum scores.
    

    """
def big_sum(nums):
    """
    Write a function that calculates the sum of the highest and lowest assessment scores to determine the total performance range in a student cohort, which will be used to calibrate the adaptive learning system's difficulty settings. The function should take an array of student scores as input and return a single integer representing the sum of the maximum and minimum scores.
    

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