human
Complete the below
def _ParameterDecorator(naming_type, testcases):

    ''''Implementation of the parameterization decorators.
    Args:
    naming_type: The naming type.
    testcases: Testcase parameters.
    Returns:
    A function for modifying the decorated object.'
    '''
assistant
#Here is the Python code you requested.
    def _Apply(obj):
        if isinstance(obj, type):
            _ModifyClass(obj, (list(testcases) if (not isinstance(testcases, collections.Sequence)) else testcases), naming_type)
            return obj
        else:
            return _ParameterizedTestIter(obj, testcases, naming_type)
    if _IsSingletonList(testcases):
        assert _NonStringIterable(testcases[0]), 'Single    parameter    argument    must    be    a    non-string    iterable'
        testcases = testcases[0]
    return _Apply