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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 _set_environment(self, environ):
 """Set the environment on the QProcess."""

        if environ:
            q_environ = self._process.processEnvironment()
            for k, v in environ.items():
                q_environ.insert(k, v)
            self._process.setProcessEnvironment(q_environ)