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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 load_class_by_path(taskpath):
 """ Given a taskpath, returns the main task class. """


    return getattr(
        importlib.import_module(
            re.sub(
                r"\.[^.]+$",
                "",
                taskpath)),
        re.sub(
            r"^.*\.",
            "",
            taskpath))