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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 _compute(self):
 """ Execute the style functions built up in `self._todo`. Relies on the conventions that all style functions go through .apply or .applymap. The append styles to apply as tuples of (application method, *args, **kwargs) """

        r = self
        for func, args, kwargs in self._todo:
            r = func(self)(*args, **kwargs)
        return r