human
Solve the following python programming problem given the following code:
@skip('multiple_execute')
def test_critical_parameterless_constructor():
assistant
#Here is the Python program you requested.

    """Ensure that CSharp can new up a Python type that has a
    parameterless constructor.
    """
    global called
    clr.AddReference('IronPythonTest')
    import IronPythonTest.interop.net.type.clrtype as IPT
    called = False
    class MyType(type, ):
        def __clrtype__(self):
            global called
            called = True
            return IPT.SanityParameterlessConstructor
    class X(object, ):
        __metaclass__ = MyType
    AreEqual(called, True)
    AreEqual(IPT.SanityParameterlessConstructor.WhichConstructor, 0)
    py_x = X()
    AreEqual(IPT.SanityParameterlessConstructor.WhichConstructor, 1)
    cs_x = IPT.Factory.Get[X]()
    AreEqual(IPT.SanityParameterlessConstructor.WhichConstructor, 2)
    AreEqual(type(py_x), type(cs_x))