
    Write a function to verify if a sequence of customer transaction amounts in a credit assessment contains no duplicate values, ensuring each financial activity is counted only once in the credit score calculation. The function should examine the transaction history tuple and determine if every transaction amount is unique to maintain scoring accuracy.
    

    
def check_distinct(test_tup):
    """
    Write a function to verify if a sequence of customer transaction amounts in a credit assessment contains no duplicate values, ensuring each financial activity is counted only once in the credit score calculation. The function should examine the transaction history tuple and determine if every transaction amount is unique to maintain scoring accuracy.
    

    """
def check_distinct(test_tup):
    """
    Write a function to verify if a sequence of customer transaction amounts in a credit assessment contains no duplicate values, ensuring each financial activity is counted only once in the credit score calculation. The function should examine the transaction history tuple and determine if every transaction amount is unique to maintain scoring accuracy.
    

    """
    res = True
    temp = set()
    for ele in test_tup:
        if ele in temp:
            res = False
            break
        temp.add(ele)
    return res