Instantiating custom C# classes from IronPython

Question

Is there any way to make a class available to IronPython scripts so that I can create objects inside the code?

For example, if I have a class that I want to be able

Answer 1

Assuming MyClass is in MyAssembly.dll:

import clr
clr.AddReference('MyAssembly.dll')
import MyClass
obj = MyClass("Hello, World!")
obj.Write()