
    Write a function to determine if a student's performance score satisfies the mathematical progression rule where the score is exactly one less than double its reverse value. This validation is used to determine if a student is ready to advance to the next learning module in the adaptive learning system.
    

    
def rev(num):
    rev_num = 0
    while num > 0:
        rev_num = rev_num * 10 + num % 10
        num = num // 10
    return rev_num

def check(n):
    """
    Write a function to determine if a student's performance score satisfies the mathematical progression rule where the score is exactly one less than double its reverse value. This validation is used to determine if a student is ready to advance to the next learning module in the adaptive learning system.
    

    """
def rev(num):
    rev_num = 0
    while num > 0:
        rev_num = rev_num * 10 + num % 10
        num = num // 10
    return rev_num

def check(n):
    """
    Write a function to determine if a student's performance score satisfies the mathematical progression rule where the score is exactly one less than double its reverse value. This validation is used to determine if a student is ready to advance to the next learning module in the adaptive learning system.
    

    """
    return 2 * rev(n) == n + 1