
    Write a function that calculates the total range of student performance by finding the sum of the highest and lowest assessment scores, which will be used to determine the learning gap and customize teaching strategies. The function should take an array of student assessment scores as input and return a single value representing the sum of the maximum and minimum scores.
    

    
def big_sum(nums):
    """
    Write a function that calculates the total range of student performance by finding the sum of the highest and lowest assessment scores, which will be used to determine the learning gap and customize teaching strategies. The function should take an array of student assessment scores as input and return a single value representing the sum of the maximum and minimum scores.
    

    """
def big_sum(nums):
    """
    Write a function that calculates the total range of student performance by finding the sum of the highest and lowest assessment scores, which will be used to determine the learning gap and customize teaching strategies. The function should take an array of student assessment scores as input and return a single value representing the sum of the maximum and minimum scores.
    

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