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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def get_class_that_defined_method(meth):
 """ Gets the class object which defined a given method @meth: a class method -> owner class object """

    if inspect.ismethod(meth):
        for cls in inspect.getmro(meth.__self__.__class__):
            if cls.__dict__.get(meth.__name__) is meth:
                return cls
        meth = meth.__func__  # fallback to __qualname__ parsing
    if inspect.isfunction(meth):
        cls = getattr(
            inspect.getmodule(meth),
            meth.__qualname__.split('.<locals>', 1)[0].rsplit('.', 1)[0])
        if isinstance(cls, type):
            return cls
    return None