
    Given a list of student identification numbers enrolled in a personalized learning path, determine if any student has been accidentally registered more than once in the system. The function should return true if a duplicate registration is found, and false if all registrations are unique.
    

    
def test_duplicate(arraynums):
    """
    Given a list of student identification numbers enrolled in a personalized learning path, determine if any student has been accidentally registered more than once in the system. The function should return true if a duplicate registration is found, and false if all registrations are unique.
    

    """
def test_duplicate(arraynums):
    """
    Given a list of student identification numbers enrolled in a personalized learning path, determine if any student has been accidentally registered more than once in the system. The function should return true if a duplicate registration is found, and false if all registrations are unique.
    

    """
    nums_set = set(arraynums)
    return len(arraynums) != len(nums_set)