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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 python(self):
 """Path to the environment python"""

        py = vistir.compat.Path(self.base_paths["scripts"]).joinpath("python").absolute().as_posix()
        if not py:
            return vistir.compat.Path(sys.executable).as_posix()
        return py