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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 create_process(self, command, shell=True, stdout=None, stderr=None, env=None):
 """ Execute a process using subprocess.Popen, setting the backend's DISPLAY """

        env = env if env is not None else dict(os.environ)
        env['DISPLAY'] = self.display
        return subprocess.Popen(command, shell=shell,
                                stdout=stdout, stderr=stderr,
                                env=env)