
    Design a function for an automated essay grading system that determines the length of the most sophisticated word used in a student's writing assignment, where sophistication is measured by character count. The function should analyze a collection of words extracted from the essay and return the character count of the longest word to help assess the student's vocabulary complexity level.
    

    
def len_log(list1):
    """
    Design a function for an automated essay grading system that determines the length of the most sophisticated word used in a student's writing assignment, where sophistication is measured by character count. The function should analyze a collection of words extracted from the essay and return the character count of the longest word to help assess the student's vocabulary complexity level.
    

    """
def len_log(list1):
    """
    Design a function for an automated essay grading system that determines the length of the most sophisticated word used in a student's writing assignment, where sophistication is measured by character count. The function should analyze a collection of words extracted from the essay and return the character count of the longest word to help assess the student's vocabulary complexity level.
    

    """
    max = len(list1[0])
    for i in list1:
        if len(i) > max:
            max = len(i)
    return max