
    Create a function that calculates a student's weighted performance score by multiplying all their individual test scores together and dividing by the total number of tests taken. This metric helps balance the impact of both high and low scores while accounting for the number of completed assessments.
    

    
def multiply_num(numbers):
    """
    Create a function that calculates a student's weighted performance score by multiplying all their individual test scores together and dividing by the total number of tests taken. This metric helps balance the impact of both high and low scores while accounting for the number of completed assessments.
    

    """
def multiply_num(numbers):
    """
    Create a function that calculates a student's weighted performance score by multiplying all their individual test scores together and dividing by the total number of tests taken. This metric helps balance the impact of both high and low scores while accounting for the number of completed assessments.
    

    """
    total = 1
    for x in numbers:
        total *= x
    return total / len(numbers)