
    Write a function to determine the largest fluctuation in a customer's credit score by finding the maximum difference between any two credit scores in their historical record. The credit scores are stored as integers in chronological order, and identifying this maximum variation is essential for assessing the customer's credit stability and lending risk.
    

    
def max_Abs_Diff(arr):
    """
    Write a function to determine the largest fluctuation in a customer's credit score by finding the maximum difference between any two credit scores in their historical record. The credit scores are stored as integers in chronological order, and identifying this maximum variation is essential for assessing the customer's credit stability and lending risk.
    

    """
def max_Abs_Diff(arr):
    """
    Write a function to determine the largest fluctuation in a customer's credit score by finding the maximum difference between any two credit scores in their historical record. The credit scores are stored as integers in chronological order, and identifying this maximum variation is essential for assessing the customer's credit stability and lending risk.
    

    """
    n = len(arr)
    minEle = arr[0]
    maxEle = arr[0]
    for i in range(1, n):
        minEle = min(minEle, arr[i])
        maxEle = max(maxEle, arr[i])
    return maxEle - minEle